M13 Sling Angle Information

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Informations sur les lingues et les accessoires

Copyright 2002 The Crosby Group, Inc.

All Rights Reserved

341

Sling Angle Information


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Sling Information

BASIC SLING OPERATING PRACTICES ANSI B30.9

Whenever any sling is used, the following practices shall be observed.

Slings that are damaged or defective shall not be used.

Slings shall not be shortened with knots or bolts or other makeshift devices.

Sling legs shall not be kinked.

Slings shall not be loaded in excess of their rated capacities.

Slings used in a basket hitch shall have the loads balanced to prevent slippage.

Slings shall be securely attached to their load.

Slings shall be padded or protected from the sharp edges of their loads.

Suspended loads shall be kept clear of all obstruction.

All employees shall be kept clear of loads about to be lifted and of suspended loads.Hands or fingers shall not be placed between the sling and its load while the sling is being tightened

around the load.

Shock loading is prohibited.

A sling shall not be pulled from under a load when the load is resting on the sling.

INSPECTION- Each day before being used, the sling and all fastenings and attachments shall be inspected fordamage or defects by a competent person designated by the employer. Additional inspections shall be performedduring sling use where service conditions warrant. Damaged or defective slings shall be immediately removedfrom service.

SLING ANGLES

Sling Angle Degrees (A) Load Angle Factor = L / H

90 1.000

60 1.155

50 1.305

45 1.414

30 2.000

LOAD ON EACH LEG OF SLING =(Load 2) x LOAD ANGLE FACTOR

ANSI B30.9 recommends against the use of a horizontal sling anglesmaller than 30.

500kg.

500kg.

1000 kg 1000 kg

A

Load in each sling leg =500 x Load Angle

Factor ofAngle A L

H

Load in EachSling leg = L/H x 500

1000kg

A


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S l i A l


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Sling Information

CHOKER HITCHESCHOKER HITCHESWIRE ROPE SLINGS

ANSI B30.9

CHOKER HITCHESWIRE ROPE, CHAIN, AND

SYNTHETIC SLINGS

Angle of ChokeSling Rated Load

Percentage of Single Leg Sling Capacity

120 - 180 75%

90 - 119 65%

60 - 89 55%

30 - 59 40%

A choker hitch has 75% (80% for Webbing Slings) ofthe capacity of a single leg only if the corners aresoftened and the horizontal angle is greater than 30degrees. Use blocks to prevent angles less than 30degrees.

A basket hitch has twicethe capacity of a single legonly if D/d Ratio is 25/1and it is vertical.

D/d> 25/1 per ANSI B30.9

A basket hitch has twice the capacity of a single legonly if legs of sling are vertical.

AngleDegrees

Percentageof Single Leg

Capacity

90 200%

60 170%

45 140%

30 100%

D

d

BASKET HITCHESBASKET HITCH

WIRE ROPE SLINGSBASKET HITCHES WIRE ROPE,

CHAIN AND SYNTHETICS

344 Copyright 2002 The Crosby Group, Inc.

All Rights Reserved


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Sling Information

REEVING INCREASES LOADS TRIPLE AND QUAD LEG SLINGS

Reeving through connections to load increases load

on connections fitting by as much as twice.

Triple leg slings have 50% more capacity than double

leg only if the center of gravity is in center ofconnection point and the legs are adjusted properly.(equal share of the load)

DO NOT REEVE! Quad leg slings offer improved stability but do notprovide increased lifting capacity.

60 60

3030

4545

CENTER OF GRAVITY (COG)

The location of the center of Gravity to the pick points is an important consideration.

When lifting vertically, the load will be shared

equally if the center of gravity is placed equallybetween the pick points. If the weight of load is10,000 kg., then each sling will have a load of5,000 kg. and each shackle and eyebolt will alsohave a load of 5,000 kg.

When the center of gravity is not equally spaced

between the pick points, the slings and fittingswill not carry an equal share of the load. The slingconnected to the pick point closest to the center ofgravity will carry the greatest share of the load.

Sling 2 is closest to COG. It will have the greatestshare of load.

Sling 2 = 10,000 x 8 / (8+2) = 8,000 kg

Sling 1 = 10,000 x 2 / (8+2) = 2,000 kg


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10,000 kg

D1=5m D2=5m

10,000 kg

D1=8m D1=2m


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Sling Inspection

INSPECTION AND REPLACEMENT PER ANSI B30.9

INSPECTIONAll slings shall be visually inspected by the person handling the sling each day they are used. In addition ,recorded periodic inspection must be done annually.

Distortion of the rope in the sling such as kinking, crushing, unstranding, birdcaging, main strand displacement

or core protrusion. Loss of rope diameter in short rope lengths or unevenness of outer strands should provide

evidence the sling should be replaced.

General corrosion.

Broken or cut strands.

Number, distribution, and type of visible broken wires.

REPLACEMENTCondition such as the following should be sufficent reason for consideration of sling replacement.

For strand laid and single part slings, ten randomly distributed broken wires in one rope lay, or five broken

wires in one strand in one rope lay.

Severe localized abrasion or scraping.

Kinking, crushing, birdcaging, or any other damage resulting in distortion of the rope structure. Evidence of heat damage.

End attachments that are cracked, deformed, or worn to the extent that the strength of the sling is substantially

affected.

Hooks should be inspected in accordance with ANSI B30.10

Severe corrosion of the rope or end attachments.

MULTI - PART REMOVAL CRITERIA FOR CABLE AND BRAIDED SLINGS

Sling BodyAllowable Broken

Wire Per Lay or One BraidAllow Broken Strands per

Sling Lay

Less than 8 per Braid 20 1

Cable Laid 20 1

8 Parts and more 40 1

346 Copyright 2002 The Crosby Group, Inc.

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INSPECTION OF POLYESTER ROUND SLINGS:WEB SLING AND TIE DOWN ASSOCIATION

Type of Inspectiona. Initial Inspection- Before any polyester round sling is placed into service it shall be inspected by a designated person

to ensure that the correct round sling is being used, as well as to determine that the round sling meets therequirements of this specification.

b. Frequent Inspection- This inspection shall be made by a qualified person handling the polyester round sling eachtime the round sling is used.

c. Periodic Inspection- This inspection shall be conducted by a designated person. Frequency of inspection of shouldbe based on:

1. Frequency of use2. Severity of service conditions3. Experience gained on service life of polyester round sling in similar applications.4. Periodic inspection should be conducted at least monthly.

Removal from ServiceA polyester round sling shall be removed from service if any of the following is visible:

a. If polyester round sling identification is missing or unreadable.b. Melting, charring or weld spatter on any part of the polyester round sling.

c. Holes, tears, cuts, embedded particles , abrasive wear, or snags that expose the core fibers of the polyester round sling.d. Broken or worn stitching in the cover which exposes the core fibers.e. Fittings when damaged, stretched or distorted in any way.f. Polyester round sling that are knotted.g. Acid or alkali burns of the polyester round sling.h. Any conditions which causes doubt as to the strength of the polyester round sling.

Determine weight of the load. The weight of the loadshall be within the rated capacity of the polyester roundslings(s).

Select a polyester round sling having suitablecharacteristics for the type of load, hitch and environment.

Polyester round slings shall not be loaded in excess of therated capacity. Consideration shall be given to the roundsling to load angle which affects rated capacities. (See2.10.5)

Polyester round slings with fittings which are used in achoking hitch shall be of sufficient length to assure thatthe choking action is on the round sling, and never on thefittings.

Polyester round slings used in a basket hitch shall havethe load balanced to prevent slippage.

The openings in fittings shall be the proper shape andsize to ensure that the fitting will seat properly on thepolyester round sling, crane hook, or other attachments.

Polyester round slings shall always be protected frombeing cut by sharp corners, sharp edges, protrusions, or

abrasive surfaces. Polyester round slings shall not be dragged on the floor

or over an abrasive surface.

Polyester round slings shall not be twisted, shortened,lengthened, tied into knots, or joined by knotting.

Polyester round slings shall not be pulled from underloads when load is resting on the polyester round slings.

Do not drop polyester round slings equipped with metalfittings.

Polyester round slings that appear to be damaged shallnot be used unless inspected and accepted as usableunder Section 4.4 and 4.5.

The polyester round sling shall be hitched in a mannerproviding control of the load.

Personnel, including all portions of the human body,shall be kept from between the polyester round sling andthe load, and from between the polyester round sling andthe crane hook or hoist hook. Personnel shall stand clearof the suspended load.

Personnel shall not ride the polyester round sling.

Shock loading shall be avoided.

Twisting the legs (branches) shall be avoided.

Load applied to a hook shall be centered in the bowl ofthe hook to prevent point loading.

During lifting, with or without the load, personnel shallbe alert for possible snagging of the polyester round sling.

The polyester round slings shall be long enough so therated capacity is adequate when the sling to load angle istaken into consideration. (See 2.10.5).

Only Polyester round slings with legible identificationtags shall be used.

Tags and labels should be kept away from the load, hookand point choke.

The polyester round sling shall not be constricted orbunched between the ears of a clevis or shackle, or in ahook. When a polyester round sling is used with ashackle, it is recommended that it be used (rigged) in the

bow of the shackle.

Inspection of Round Slings

OPERATION OF POLYESTER ROUND SLINGSWEB SLING AND TIE DOWN ASSOCIATION

348 Copyright 2002 The Crosby Group, Inc.All Rights Reserved


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INSPECTION OF SYNTHETIC WEB SLINGS ASME B30.9C 1994Type of Inspectiona. Frequent Inspection - This inspection should be made by the person handling the sling each day the sling is used.b. Periodic Inspection- This inspection should be conducted by designed personnel. Frequency of inspection should

be based on:

1. Frequency of sling use.2. Severity of service conditions3. Experience gained on the service life of slings used in similar applications.

Periodic inspection should be conducted at least annually.

Inspection Records.Written inspection records, utilizing the identification for each slings as established by the user,should be kept for all slings. These records should show a description of the new sling and its condition on eachperiodic inspection.

Removal Criteria. A sling shall be removed from service if damage such as the following is visible and shall bereturned to service when approved by a designated person.

a. Acid or charring burnsb.Melting or charring of any part of the slingc. Holes, tears, cuts or snags

d.Broken or worn stitching in load bearing splicese. Excessive abrasive wearf. Knots in any parts of the slingg. Excessive pitting or corrosion, or cracked, distorted or broken fittingsh.Other visible damage that causes doubt as to the strength of the sling operation of synthetic sling asme b30.9c 1994

Inspection of Web Slings

OPERATION OF SYNTHETIC WEB SLING:ASME B30.9C 1994

Operating Practice Slings having suitable characteristic for the type of load,

hitch and environment shall be selected in accordancewith appropriate table.

The weight of load shall be within the rated load of thesling.

Slings shall be shortened, lengthened, or adjusted only bymethods approved by the sling manufactured.

Slings shall not be shortened or lengthened by knotting.

Sharp corners in contact with the sling should be paddedwith material of sufficient strength to minize damage tothe sling.

Portions of the human body should be kept from betweenthe sling and the load, and from between the sling and

the crane hook or hoist hook. Personnel shall not ride the sling

Shock loading should be avoided.

Slings should not be pulled from under a load when theload is resting on the sling.

Slings should not be pulled from under a load when theload is resting on the sling.

Slings should be stored in a cool, dry, and dark place toprevent environmental damage.

Twisting and kinking the legs shall be avoided.

Load applied to the hook should be centered in the base(bowl) of hook to prevent point loading on the hook.

During lifting, with or without load, personnel shall bealert for possible snagging.

In a basket hitch, the load should be balanced to preventslippage.

The slings legs should contain or support the load fromthe sides above the center of gravity when using a baskethitch.

Slings should be long enough so that the rated load isadequate when the angle of the legs is taken intoconsideration.

Slings should not be be dragged on the floor or over anabrasive surface.

In a choker hitch, slings shall be long enough so thechoker fitting chokes on the webbing and never on theother fittings.

Nylon and polyester slings shall not be used attemperatures in excess of 194 F (90C), or temperature

below -40F (-40C).

When extensive exposure to sunlight or ultraviolet lightis experienced by nylon or polyester web slings, the slingmanufacturer should be consulted for recommendedinspection procedures.

Reprinted from ASME B30.9-1990 by permission of The AmericanSociety if Mechanical Engineers.

Copyright 2002 The Crosby Group, Inc. 349All Rights Reserved


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CROSBY Fittings and Chain Page

Alloy Chain . . . . . . . . . . . . . . . . . . . . . . 162, 182Angular Contact Bearing Swivels . . . . . . . . . . 108 - 110Barrel Hooks . . . . . . . . . . . . . . . . . . . . . . . . 103Bolts

Machinery Eye Bolts . . . . . . . . . . . . . . . . . . . 134Regular Eye . . . . . . . . . . . . . . . . . . . . . . . . 132

Shoulder Eye . . . . . . . . . . . . . . . . . . . . 133 - 135Screw Eye . . . . . . . . . . . . . . . . . . . . . . 132 - 133Rivet Eye . . . . . . . . . . . . . . . . . . . . . . . . . 135Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

Bullard Hooks . . . . . . . . . . . . . . . . . 94, 97, 196, 205Button Spelter Sockets . . . . . . . . . . . . . . . . . . . . 32Chain . . . . . . . . . . . . . . . . . . . . 189 - 191, 202 - 203Chain Links . . . . . . . . . . . . . . . . . . . . . . 128, 169Chain Shortener Link . . . . . . . . . . . . . . . . . 176 - 177Chain Sling Information . . . . . . . . . . . . . . . 162 - 163Chain Swivels . . . . . . . . . . . . . . . . . . . . . . . . 111Clips

Crosby Red U-Bolt . . . . . . . . . . . . . . . . . . . . 28Fist Grip . . . . . . . . . . . . . . . . . . . . . . . . . . . 29Stainless Steel Clips . . . . . . . . . . . . . . . . . . . . . 28

Closed Wire Rope Sockets . . . . . . . . . . . . . . . . 35, 39Connecting Links . . . . . . . . . . . . . . . . . . . 169, 193

Coupler Link . . . . . . . . . . . . . . . . . . . . . . . . 169Crosby Chain . . . . . . . . . . . . . . . . . . . . . 202, 162Crosby Communication System . . . . . . . . . . . . . 4, 6Crosby Product Bulletins

What It Takes To Be Crosby or Equal . . . . . . . . . 9Quality Continuum . . . . . . . . . . . . . . . . . . . . . 10World Standards . . . . . . . . . . . . . . . . . . . 12 - 13Identification . . . . . . . . . . . . . . . . . . . . . 14 - 15Heat Treatment . . . . . . . . . . . . . . . . . . . . 16 - 17Material Properties . . . . . . . . . . . . . . . . . . 18 - 19Product Warnings . . . . . . . . . . . . . . 14 - 15, 20 - 21Forged Wire Rope Clips . . . . . . . . . . . . . . . 26 - 27Shackles . . . . . . . . . . . . . . . . . . . . . . . . 58 - 59Hoist Hooks 319, 320, 322 . . . . . . . . . . . . . . 82 - 83McKissick & Lebus Snatch Blocks . . . . . . . . . . . 230Turnbuckles . . . . . . . . . . . . . . . . . . . . . . . 124

Crosby Product Warnings

Warning Elements . . . . . . . . . . . . . . 21 - 24, 33 - 36Warning Colors . . . . . . . . . . . . . . . . . . . . . 24, 37Warning Format . . . . . . . . . . . . . . . . . . . . 24, 37

Double Clevis Links . . . . . . . . . . . . . . . . . . . . 195End Links . . . . . . . . . . . . . . . . . . . . . . . . . . 130Eyes

Lifting . . . . . . . . . . . . . . . . . . . . . . . . . . . 137N u t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 7P a d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 6

Eye Bolts . . . . . . . . . . . . . . . . . . . . . . . . 132 - 135Fist Grip Clips . . . . . . . . . . . . . . . . . . . . . . . . 29Grade 8 Alloy Chain . . . . . . . . . . . . . . . . . 162, 182Grade 8 Alloy Fittings . . . . . . . . . . . 100, 101, 167, 178Hand Hoist . . . . . . . . . . . . . . . . . . . . . . . . . 206High Tensile Transport Chain . . . . . . . . . . . . . . 192High Test Chain . . . . . . . . . . . . . . . . . . . . . . 191Hooks

Grade 8 . . . . . . . . . . . . . . . . . . . 100, 101, 170 - 171Barrel . . . . . . . . . . . . . . . . . . . . . . . . . . . 103Bullard . . . . . . . . . . . . . . . . . 94 - 98, 196,204 - 205Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105Chain Nest . . . . . . . . . . . . . . . . . . . . . . 204 - 205Choker . . . . . . . . . . . . . . . . . . . . . . . . . . . 99Clevis Grab . . . . . . . . . . . . . . . . . . . . . 176, 196Clevis Sling . . . . . . . . . . . . . . . . . . . . . 177, 178Clevis Slip . . . . . . . . . . . . . . . . . . . . . . . . 197Eye . . . . . . . . . . . . . . 86, 87, 102, 172, 173, 175, 196Eye Grab . . . . . . . . . . . . . . . . . . . . . . 176, 196Eye Sling . . . . . . . . . . . . . . . . . . . . . . . . . 178Eye Slip . . . . . . . . . . . . . . . . . . . . . . . . . . 197Foundry . . . . . . . . . . . . . . . . . . . . . . . 177, 178Latching Clevis . . . . . . . . . . . . . . . . . . . . . . 174Latching Eye . . . . . . . . . . . . . . . . . . . . . . . 175

New York Pattern . . . . . . . . . . . . . . . . . . . . 105Portland Pattern . . . . . . . . . . . . . . . . . . . . . 105Replacement . . . . . . . . . . . . . . . . . . . . . . . 103Round Reverse Eye . . . . . . . . . . . . . . . . . . . 102Seattle Pattern . . . . . . . . . . . . . . . . . . . . . . 105Shank . . . . . . . . . . . . . . . . . . . 84, 85, 92, 96 - 97SHUR-LOC . . . . . . . . . . . . . . . 100, 101, 170 - 171Sling . . . . . . . . . . . . . . . . . . . . . 76, 103, 177 - 178

Snap . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102Sorting . . . . . . . . . . . . . . . . . . . . . . . . . . 103Swivel . . . . . . . . . . . . . . 88, 92, 101, 108 - 110, 170Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . 104Web Slings . . . . . . . . . . . . . . . . . . . . . . . . . 76Web Choker . . . . . . . . . . . . . . . . . . . . . . . . 77Weld-On . . . . . . . . . . . . . . . . . . . . . . . . . 104

How to Assemble a Lok-A-Loy 8 Connecting Link . . 169How to Assemble a Clevis Hook . . . . . . . . . . . . . 208Latch Assemblies

4320 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89Alloy . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91PL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90SS-4055 . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Latching Eye Hook . . . . . . . . . . . . . . . . . . . . 175Latching Clevis Hook . . . . . . . . . . . . . . . . . . . 174Lifting Eyes . . . . . . . . . . . . . . . . . . . . . . . . . 137

Links . . . . . . . . . . . . . . . . . . . . 128, 129, 130, 131Lok-A-Loy 6 Connecting Links . . . . . . . . . . . . . 193Lok-A-Loy 8 Connecting Links . . . . . . . . . . . . . 169Machinery Eye Bolts . . . . . . . . . . . . . . . . . . . . 134Master Links . . . . . . . . . . . . . . . . . . . . . . 128, 129Master Link Assemblies . . . . . . . . . . . . 129, 168, 167Missing Links . . . . . . . . . . . . . . . . . . . . . . . 194Mooring Sockets . . . . . . . . . . . . . . . . . . . . . . . 33Nuts

Eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137Nut Ring Bolts . . . . . . . . . . . . . . . . . . . . . . . 136Open Wire Rope Sockets . . . . . . . . . . . . . . . . . . 34Pad Eyes . . . . . . . . . . . . . . . . . . . . . . . . . . 136Pear Shape Missing Link . . . . . . . . . . . . . . . . . 194Product Bulletins . . . . . . . . . . . . . . . . . . . . 10 - 19Product Warnings

Crosby/Bullard Hooks . . . . . . . . . . . . . . 114 - 115

Crosby Clips . . . . . . . . . . . . . . . . . . . . . . . . 46Crosby Fist Grip Clips . . . . . . . . . . . . . . . . . . 47Crosby PL Hook Latch Kit . . . . . . . . . . . . 118 - 119Crosby S-4320 Latch Kit . . . . . . . . . . . . . . . . . 116Crosby SS-4055 Latch Kit . . . . . . . . . . . . . . . . 117Forged Eye Bolts . . . . . . . . . . . . . . . . . . 154 - 155Hoist Hooks . . . . . . . . . . . . . . . . . . . . 112 - 113Hydraulic Swaging Machine . . . . . . . . . . . 54, 55, 56Load Binders . . . . . . . . . . . . . . . . . . . . . . . 207Swageable Hooks . . . . . . . . . . . . . . . . . . . 50 - 51Swivel Hoist Rings . . . . . . . . . . . . . . . . . 156 - 157SHUR-LOC Hooks . . . . . . . . . . . . . . . . 208 - 209Tackle Blocks . . . . . . . . . . . . . . . . . . . . 290 - 297WIRELOCK . . . . . . . . . . . . . . . . . . . . . . 52 - 53Wedge Sockets . . . . . . . . . . . . . . . . . . . . . 48 - 49

Proof Coil Chain . . . . . . . . . . . . . . . . . . . . . . 190Red-U-Bolt (Crosby Clip) . . . . . . . . . . . . . . . . . . 28

Regular Forged Swivels . . . . . . . . . . . . . . . . . . 111Replacement Links . . . . . . . . . . . . . . . . . . . . 194Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130Ring Bolts . . . . . . . . . . . . . . . . . . . . . . . . . . 136Rivet Eye Bolts . . . . . . . . . . . . . . . . . . . . . . . 135Screw Eye Bolts . . . . . . . . . . . . . . . . . . . . . . 133Shackles . . . . . . . . . . . . . . . . . . . . 60, 61, 62, 63, 64Shoulder Nut Eye Bolts . . . . . . . . . . . . . . . 65, 66, 67SHUR-LOC Eye Hook . . . . . . . . . . . . . . . . . . 100Sling I.D. Tags . . . . . . . . . . . . . . . . . . . . . . . 162Sling Links . . . . . . . . . . . . . . . . . 128, 129, 130, 131Sling Saver

Link Plate . . . . . . . . . . . . . . . . . . . . . . . . . . 75Spool . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75Web Connector . . . . . . . . . . . . . . . . . . . . . . . 72Web Sling Hook . . . . . . . . . . . . . . . . . . . . . . 76

Alphabetical Index

350 Copyright 2002 The Crosby Group, Inc.Tous droits reserves


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Alphabetical IndexWeb Sling Shackle . . . . . . . . . . . . . . . . . . . . . 74Web Sling System . . . . . . . . . . . . . . . . . . . 78 - 79Web to Chain Connector . . . . . . . . . . . . . . . . . 77

Sockets . . . . . . . . . . . . . . . . . . . . . . . . . . 30 - 35Spectrum Chain . . . . . . . . . . . . . . 162 - 163, 179 - 182Spelter Sockets . . . . . . . . . . . . . . . . . . . . . . 34 - 35Swage Sockets . . . . . . . . . . . . . . . . . . . . . . 38- 39Swivels

Angular Contact Bearing Swivel . . . . . . . . . 108 - 110Forged Swivel . . . . . . . . . . . . . . . . . . . . . . . 111Timken Bearing Swivel . . . . . . . . . . . . . . . 106 - 107

Swivel Hoist Rings . . . . . . . . . . . . . 138, 139, 140, 141Synthetic Sling Saver Shackle . . . . . . . . . . . . . 73 - 74Thimbles . . . . . . . . . . . . . . . . . . . . . . . . 126 - 127Transport Chain . . . . . . . . . . . . . . . . . . . . . . 202Turnbuckles . . . . . . . . . . . . . . . . . . . . . . 143 - 153Twin Clevis Link . . . . . . . . . . . . . . . . . . . . . . 195Wedge Sockets . . . . . . . . . . . . . . . . . . . . . 30, 31Weldless Links and Rings . . . . . . . . . . . . . . 130, 131Wire Rope Clips . . . . . . . . . . . . . . . . . . . . . 28 - 29Wire Rope Terminations . . . . . . . . . . . . . . . . 26 - 44WirelockResin . . . . . . . . . . . . . . . . . . . . . . . 44

LEBUS Load BindersLoad Binders . . . . . . . . . . . . . . . . . . . . . . 198 - 201

Load Binder Application Instructions . . . . . . . . . . 207Snatch Blocks . . . . . . . . . . . . . . . . . . . . . 282 - 283Winchline Tail Chain . . . . . . . . . . . . . . . . . . . . 203

MCKISSICK Blocks and SheavesBlocks for Every Purpose

Bridge Crane Blocks . . . . . . . . . . . . . . . . . . . 338Construction Blocks . . . . . . . . . . . . . . . . 260 - 270Crane and Hook Blocks . . . . . . . . . . . . . . 234 - 257Hay Fork Pulley Blocks . . . . . . . . . . . . . . . . . 285Scrap Handling Blocks . . . . . . . . . . . . . . . . . . 257Snatch Blocks . . . . . . . . . . . . . . . . . . . . 277 - 284Toggle (Tail Board) Blocks . . . . . . . . . . . . . 277 - 279

(For additional blocks see Western Section.)Block Warning, Use and Maintenance . . . . . . . 290 - 297Fairleaders . . . . . . . . . . . . . . . . . . . . . . . . . . 319General Block Information . . . . . . . . . . . . . . 290 - 297

How to Determine Overhauling Weights . . . . . . . . . 292How to Figure Line Parts . . . . . . . . . . . . . . 296 - 297How to Order McKissick Blocks and Sheaves . . . . . 232How Sheave Size Affects Wire Rope Strength . . . . 295Loads on Blocks . . . . . . . . . . . . . . . . . . . . 293 - 294Overhaul Balls . . . . . . . . . . . . . . . . . . . . 272 - 276Pull Test Capabilities . . . . . . . . . . . . . . . . . . . . 298Reeving of Tackle blocks . . . . . . . . . . . . . . . . . . 294Rigging Information . . . . . . . . . . . . . . . . . 290 - 297Sheaves

AISE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227Bronze Bushed . . . . . . . . . . . . . . . . . . . 219 - 223Common Bore . . . . . . . . . . . . . . . . . . . 217 - 218Deck Mounted Lead . . . . . . . . . . . . . . . . . . . 319Finished Bore . . . . . . . . . . . . . . . . . . . . 214 - 217Ordering Information . . . . . . . . . . . . . . . . . . 213

Roller Bearing Equipped . . . . . . . . . . . . . . 223 - 224Roll Forged Sheaves . . . . . . . . . . 212 - 213, 227 - 228Tapered Bearing Equipped . . . . . . . . . . . . . . . 225

Special Blocks . . . . . . . . . . . . . . . . . . . . . . . . 285Split Overhaul Balls . . . . . . . . . . . . . . . . . . . . . 276Trawling Blocks . . . . . . . . . . . . . . . . . . . . . . . 320Try Net Blocks . . . . . . . . . . . . . . . . . . . . . . . . 320Wedge Socket . . . . . . . . . . . . . . . . . . . . . . 30 - 31

NATIONAL Swage FittingsDuplex Non-Tapered Sleeve . . . . . . . . . . . . . . . . 41Hydraulic Swaging Machine . . . . . . . . . . . . . . . 43Standard Steel Swaging Sleeves . . . . . . . . . . . . 36 - 37Swage Button . . . . . . . . . . . . . . . . . . . . . . . . 40Swage Sockets . . . . . . . . . . . . . . . . . . . . . . 38 - 39

WESTERN Blocks and SheavesBlocks for Manila Rope

Wood ShellRegular Mortise Blocks . . . . . . . . . . . . . . . . . 301Painters Blocks . . . . . . . . . . . . . . . . . . . . . . 305Snatch Blocks . . . . . . . . . . . . . . . . . . . . 304, 322

Steel ShellGin Pole Blocks . . . . . . . . . . . . . . . . . . . . . . 305

Snatch Blocks . . . . . . . . . . . . . . . . . . . . 310 - 314Standard Steel Blocks . . . . . . . . . . . . . . . . . . 302Malleable Iron Shell

Purse Seine Blocks . . . . . . . . . . . . . . . . . . . . 326Malleable Metal Blocks . . . . . . . . . . . . 303, 321, 335Snatch Blocks . . . . . . . . . . . . . . . . . . . . . . . 303Sturdy Snatch Blocks . . . . . . . . . . . . . . . . . . 321Synthetic Fiber Rope . . . . . . . . . . . . . . . . . . . 306

Blocks for Wire RopeSteel Shell

Cargo Hoisting Block . . . . . . . . . . . . . . . 324 - 325Extra Heavy Diamond Pattern Blocks . . . . . . . . . 309Extra Heavy Oval Pattern Blocks . . . . . . . . . . . . 309Extra Heavy Snatch Blocks . . . . . . . . . . . . . . . 314Regular Diamond Pattern Blocks . . . . . . . . . . . . 308Regular Oval Pattern Blocks . . . . . . . . . . . . . . 308Snatch Blocks . . . . . . . . . . . . . . . . . . . . . . 313

Team Snatch Blocks - Extra Heavy . . . . . . . . . . . 314Malleable Iron Shells BlocksWire Rope Snatch Blocks . . . . . . . . . . . . . . . . 311Sturdy Snatch Blocks . . . . . . . . . . . . . . . . . . 312

SheavesIron for Manila Rope

For Regular Mortise Blocks . . . . . . . . . . . . . . . 226For Snatch Blocks . . . . . . . . . . . . . . . . . . . . 226For Wide Mortise Blocks . . . . . . . . . . . . . . . . 226Iron for Wire Rope . . . . . . . . . . . . . . . . . . . . . .For Snatch Blocks . . . . . . . . . . . . . . . . . . . . 226Steel Sheaves . . . . . . . . . . . . . . . . . . . . . . . 226For Wire Rope Snatch Blocks . . . . . . . . . . . . . . 226For Manila Rope Snatch Blocks . . . . . . . . . . . . . 213Ordering Instructions . . . . . . . . . . . . . . . . . . 213

Marine BlocksCargo Hoisting . . . . . . . . . . . . . . . . . . . . 324 - 325F airleaders . . . . . . . . . . . . . . . . . . . . . . . . . . 319Flag Blocks . . . . . . . . . . . . . . . . . . . . . . . . . 317Hinged Lead Blocks . . . . . . . . . . . . . . . . . . . . 317Horizontal Lead Blocks . . . . . . . . . . . . . . . . . . 316Horizontal and Vertical Sheave . . . . . . . . . . . 318, 335Lead Blocks . . . . . . . . . . . . . . . . . . . . . . 316 - 317Manila Rope Blocks with Pressure Lube FittingsSnatch Blocks . . . . . . . . . . . . . . . . . . . . . . . . 322Malleable Iron Shell Blocks . . . . . . . . . . . . . . . . 321Oval Pattern Blocks . . . . . . . . . . . . . . . . . . . . 323Trawl Blocks . . . . . . . . . . . . . . . . . . . . . . . . 320Trynet Blocks . . . . . . . . . . . . . . . . . . . . . . . . 320Vertical Lead Blocks . . . . . . . . . . . . . . . . . . . . 316

Miscellaneous

Adjuster Fitting for Heel and Lead Block . . . . . . . . 325Block Maintenance . . . . . . . . . . . . . . . . . . 290 - 397Fittings for Manila and Wire Rope Blocks . . . . . . . 307Gin Blocks . . . . . . . . . . . . . . . . . . . . . . . . . 3 05Hooks

Eye . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

How to Determine Overhauling Weights . . . . . . . . 296How to Figure Line Parts . . . . . . . . . . . . . . 296 - 297How Sheave Size Affects Wire Rope Strength . . . . . 295Loads on Blocks . . . . . . . . . . . . . . . . . . . 293 - 294Ordering Instructions . . . . . . . . . . . . . . . . . . . 300Reeving of Tackle Blocks . . . . . . . . . . . . . . . . . 294Sling Inspection and Angle Information . . . . . . 340 -346Utility Snatch Blocks . . . . . . . . . . . . . . . . . . . . 312Trawling Shackles . . . . . . . . . . . . . . . . . . . . . . 326

Copyright 2002 The Crosby Group, Inc. 351All Rights Reserved


12/13

Catalog Number IndexCROSBYAS 1-7 . . . . . . . . . . . . . . 108 - 110AS - 15 . . . . . . . . . . . . . . . . . 276Bullard . . . . . . . . . . . . . 94, 98, 196C186, C-187, C-188 . . . . . . . 202 - 203HR125 (Hoist Ring) . . . . . . . . . . 139HR125M (Hoist Ring) . . . . . . . . 140HR125C . . . . . . . . . . . . . . . . 142

HR125W . . . . . . . . . . . . . . . . 142JT-2000 . . . . . . . . . . . . . . . . . 206JT-2500 . . . . . . . . . . . . . . . . . 206L180 . . . . . . . . . . . . . . . . . . 203PL . . . . . . . . . . . . . . . . . . . . . 90S-3 (Proof Coil) . . . . . . . . . . . . 190S-4 (High Test) . . . . . . . . . . . . 191S-7 (Tranpsort) . . . . . . . . . . . . 192S-8 (Alloy) . . . . . . . . . . . . . . . 162S-1 to S-6 . . . . . . . . . . . . . . . . 106Sling I.D. tag . . . . . . . . . . . . . . 182209 . . . . . . . . . . . . . . . . . . 61, 62210 . . . . . . . . . . . . . . . . . . . . 61213 . . . . . . . . . . . . . . . . . . . . 60215 . . . . . . . . . . . . . . . . . . . . 60223 . . . . . . . . . . . . . . . . . . . 144225 . . . . . . . . . . . . . . . . . . . 145

226 . . . . . . . . . . . . . . . . . . . 146227 . . . . . . . . . . . . . . . . . . . 147228 . . . . . . . . . . . . . . . . . . . 148247 . . . . . . . . . . . . . . . . . . . 195249 . . . . . . . . . . . . . . . . . . . 195251 . . . . . . . . . . . . . . . . . . . 153252 . . . . . . . . . . . . . . . . . . . . 74253 . . . . . . . . . . . . . . . . . . . . 74255 . . . . . . . . . . . . . . . . . . . . 75256 . . . . . . . . . . . . . . . . . . . . 75257 . . . . . . . . . . . . . . . . . . . 136264 . . . . . . . . . . . . . . . . . . . 136275 . . . . . . . . . . . . . . . . . . . 133276 . . . . . . . . . . . . . . . . . . . 135277 . . . . . . . . . . . . . . . . . . . 133279 . . . . . . . . . . . . . . . . . . . 134280 . . . . . . . . . . . . . . . . . . . . 72

281 . . . . . . . . . . . . . . . . . . . . 73282 . . . . . . . . . . . . . . . . . . . . 77287 . . . . . . . . . . . . . . . . . . . . 77291 . . . . . . . . . . . . . . . . . . . 132293 . . . . . . . . . . . . . . . . . . . 135311 . . . . . . . . . . . . . . . . . . . 177313 . . . . . . . . . . . . . . . . . . . 177314 . . . . . . . . . . . . . . . . . . . 174315 . . . . . . . . . . . . . . . . . . . 175316 . . . . . . . . . . . . . . . . 100, 170317 . . . . . . . . . . . . . . . . . . . 171318 . . . . . . . . . . . . . . . . . . . 171319 . . . . . . . . . . . . 42, 84, 85, 86, 87320 . . . . . . . . . . . . . . . . . . . . 76322 . . . . . . . . . . . . . . . . . 88, 172323 . . . . . . . . . . . . . . . . . . . 196324 . . . . . . . . . . . . . . . . . . . 197

325 . . . . . . . . . . . . . . . . . . . 169326 . . . . . . . . . . . . . . . . 101, 170327 . . . . . . . . . . . . . . . . . . . 178328 . . . . . . . . . . . . . . . . . . . 176329 . . . . . . . . . . . . . . . . . . . 178330 . . . . . . . . . . . . . . . . . . . 196331 . . . . . . . . . . . . . . . . . . . 197334 . . . . . . . . . . . . . . . . . . . 194335 . . . . . . . . . . . . . . . . . . . 194336 . . . . . . . . . . . . . . . . . . . 193337 . . . . . . . . . . . . . . . . . . . 169338 . . . . . . . . . . . . . . . . . . . 176339 . . . . . . . . . . . . . . . . . . . 177340 . . . . . . . . . . . . . . . . . . . 130341 . . . . . . . . . . . . . . . . . . . 131342 . . . . . . . . . . . . . . 128, 129, 167

344 . . . . . . . . . . . . . . . . . . . 168345 . . . . . . . . . . . . . . . . . . . 167347 . . . . . . . . . . . . . . . . . . . 168350 . . . . . . . . . . . . . . . . . . . 99377 . . . . . . . . . . . . . . . . . . . 103378 . . . . . . . . . . . . . . . . . . . 103400 . . . . . . . . . . . . . . . . . . . 137401 to 403 . . . . . . . . . . . . . . . . 111

405 . . . . . . . . . . . . . . . . . . . 137408 . . . . . . . . . . . . . . . . . . . 127411 . . . . . . . . . . . . . . . . . . . 126412 . . . . . . . . . . . . . . . . . . . 127414 . . . . . . . . . . . . . . . . . . . 126416 . . . . . . . . . . . . . . . . . . . 34416-7 (WIRELOCK) . . . . . . . . . 44417 . . . . . . . . . . . . . . . . . . . 35421 . . . . . . . . . . . . . . . . . . . 30422 . . . . . . . . . . . . . . . . . 31, 272429 . . . . . . . . . . . . . . . . . . . 29450 . . . . . . . . . . . . . . . . . . . 28501 . . . . . . . . . . . . . . . . . . . 38502 . . . . . . . . . . . . . . . . . . . 39517 . . . . . . . . . . . . . . . . . . . 33643 . . . . . . . . . . . . . . . . . . . 130700 . . . . . . . . . . . . . . . . . . . 284

720 . . . . . . . . . . . . . . . . . . . 2841021 . . . . . . . . . . . . . . . . . . . 1 051022 . . . . . . . . . . . . . . . . . . . 1 051023 . . . . . . . . . . . . . . . . . . . 1 051210 . . . . . . . . . . . . . . . . . . . 1 021311 . . . . . . . . . . . . . . . . . . . 1 881316 . . . . . . . . . . . . . . . . . . . 1 871317 . . . . . . . . . . . . . . . . . . . 1 871320 . . . . . . . . . . . . . . . . . . . 1 851325 . . . . . . . . . . . . . . . . . . . 1 881339 . . . . . . . . . . . . . . . . . . . 1 861342 . . . . . . . . . . . . . . . . . . . 1 841345 . . . . . . . . . . . . . . . . . . . 1 842130 . . . . . . . . . . . . . . . . . 63, 662131 . . . . . . . . . . . . . . . . . . . 3 262140 . . . . . . . . . . . . . . . . . . . 642150 . . . . . . . . . . . . . . . . . . . 63

2160 . . . . . . . . . . . . . . . . . . . 652510 . . . . . . . . . . . . . . . . . . . 1 523315 . . . . . . . . . . . . . . . . . . . 1 023316 . . . . . . . . . . . . . . . . . . . 1 033319 . . . . . . . . . . . . . . . . . . . 1 044037 . . . . . . . . . . . . . 149, 150, 1514055 . . . . . . . . . . . . . . . . . . . 914060 . . . . . . . . . . . . . . . . . . . 1 534061 . . . . . . . . . . . . . . . . . . . 1 534088 . . . . . . . . . . . . . . . . . . . 914320 . . . . . . . . . . . . . . . . . 89, 186

LEBUSL-130 . . . . . . . . . . . . . . . . . . 2 01L-140 . . . . . . . . . . . . . . . . . . 1 99L-150 . . . . . . . . . . . . . . . 198, 201L-160 . . . . . . . . . . . . . . . . . . 2 82

L-170 . . . . . . . . . . . . . . . . . . 2 83L-180 . . . . . . . . . . . . . . . . . . 2 03

MCKISSICKEasy Reeve Crane Blocks . . . . . . . 250Scrap Handling Block . . . . . . . . . 257HF-1 TO HF-14 . . . . . . . . . . . . 285SHB . . . . . . . . . . . . . . . . . . . 2 76Sheaves . . . . . . . . . . . . . . 213 - 226TU480 - 484 . . . . . . . . . . . 258 - 259UB500 . . . . . . . . . . . . . . . 272 - 27570 Series . . . . . . . . . . . . . . . . 28780 Series . . . . . . . . . . . . . . . . 287161 . . . . . . . . . . . . . . . . . . . 285171 . . . . . . . . . . . . . . . . . . . 285380 Series . . . . . . . . . . . . . 234 - 248

402 . . . . . . . . . . . . . . . . . . . . 281404 . . . . . . . . . . . . . . . . . . . . 277406 . . . . . . . . . . . . . . . . . . . . 278407 . . . . . . . . . . . . . . . . . . . . 279408, 409 . . . . . . . . . . . . . . . . . 280416, 417 . . . . . . . . . . . . . . . . . 281418, 419 . . . . . . . . . . . . . . . . . 277420, 421 . . . . . . . . . . . . . . . . . 278

422 . . . . . . . . . . . . . . . . . . 31, 272430, 431 . . . . . . . . . . . . . . . . . 279443 . . . . . . . . . . . . . . . . . . . . 285452 . . . . . . . . . . . . . . . . . . . . 320453 . . . . . . . . . . . . . . . . . . . . 320454 . . . . . . . . . . . . . . . . . . . . 320457 . . . . . . . . . . . . . . . . . . . . 319461 . . . . . . . . . . . . . . . . . . . . 318463 . . . . . . . . . . . . . . . . . . . . 318475 . . . . . . . . . . . . . . . . . . . . 288476 . . . . . . . . . . . . . . . . . . . . 288477 . . . . . . . . . . . . . . . . . . . . 288680 Series . . . . . . . . . . . . 260 - 270681 . . . . . . . . . . . . . . . . . . . . 286731 . . . . . . . . . . . . . . . . . . . . 289732 . . . . . . . . . . . . . . . . . . . . 289

WESTERN21 to 23 . . . . . . . . . . . . . . . . . 30144 . . . . . . . . . . . . . . . . . . . . 312130 . . . . . . . . . . . . . . . . . . . . 305135 . . . . . . . . . . . . . . . . . . . . 305261 to 263 . . . . . . . . . . . . . 302, 312301 to 303 . . . . . . . . . . . . . 303, 321304 to 306 . . . . . . . . . . . . . . . . 310350 . . . . . . . . . . . . . . . . . . . . 305385, 386 . . . . . . . . . . . . . . 304, 322390, 391 . . . . . . . . . . . . . . 304, 322401 . . . . . . . . . . . . . . . . . . . . 311411 to 413 . . . . . . . . . . . . . . . . 306502 . . . . . . . . . . . . . . . . . . . . 326566 . . . . . . . . . . . . . . . . . . . . 324570 to 576 . . . . . . . . . . . . . . . . 325600 . . . . . . . . . . . . . . . . . . . . 316

601 . . . . . . . . . . . . . . . . . . . . 316602 . . . . . . . . . . . . . . . . . . . . 317603 . . . . . . . . . . . . . . . . . . . . 317641 to 643 . . . . . . . . . . . . . . . . 308661 to 663 . . . . . . . . . . . . . . . . 308681 . . . . . . . . . . . . . . . . . . . . 323682 . . . . . . . . . . . . . . . . . . . . 323683 . . . . . . . . . . . . . . . . . . . . 323731 to 733 . . . . . . . . . . . . . . . . 309924 . . . . . . . . . . . . . . . . . . . . 314940, 941 . . . . . . . . . . . . . . . . . 313961 . . . . . . . . . . . . . . . . . . . . 3141021 to 1023 . . . . . . . . . . . . . . . 1051096 . . . . . . . . . . . . . . . . . . . 3111101 to 1103 . . . . . . . . . . . . . . . 2261141 to 1143 . . . . . . . . . . . . . . . 2261192 . . . . . . . . . . . . . . . . . . . 226

1210 . . . . . . . . . . . . . . . . . . . 3261293 . . . . . . . . . . . . . . . . . . . 2261298 . . . . . . . . . . . . . . . . . . . 226Sheaves . . . . . . . . . . . . . 213 - 2262131 . . . . . . . . . . . . . . . . . . . 326

NATIONAL409 . . . . . . . . . . . . . . . . . . . . 40501 . . . . . . . . . . . . . . . . . . . . 38502 . . . . . . . . . . . . . . . . . . . . 39505 . . . . . . . . . . . . . . . . . . . . 36506 . . . . . . . . . . . . . . . . . . . . 41

352 Copyright 2002 The Crosby Group, Inc.Tous droits reserves


13/13

FractionalEquivalent

(in.)

DecimalEquivalent

(in.)

MetricEquivalent

(mm)

FractionalEquivalent

(in.)

DecimalEquivalent

(in.)

MetricEquivalent

(mm)

164 .0156 .397 3364 .5156 13.097

132 .0312 .794 1732 .5312 13.494

364

.0469 1.191 3564

.5469 13.891

116 .0625 1.588 916 .5625 14.288

564 .0781 1.984 3764 .5781 14.684

332 .0938 2.381 1932 .5938 15.081

764 .1094 2.778 3964 .6094 15.478

18 .1250 3.175 58 .6250 15.875

964 .1406 3.572 4164 .6406 16.272

532 .1562 3.969 2132 .6562 16.669

1164 .1719 4.366 4364 .6719 17.065

316 .1875 4.762 1116 .6875 17.462

1364 .2031 5.159 4564 .7031 17.859

732 .2188 5.556 2332 .7188 18.256

1564 .2344 5.953 4764 .7344 18.653

14 .2500 6.350 34 .7500 19.0501764 .2656 6.747 4964 .7656 19.447

932 .2812 7.144 2532 .7812 19.844

1964 .2969 7.541 5164 .7969 20.241

516 .3125 7.938 1316 .8125 20.638

2164 .3281 8.334 5364 .8281 21.034

1132 .3438 8.731 2732 .8438 21.431

2364 .3594 9.128 5564 .8594 21.828

38 .3750 9.525 78 .8750 22.225

2564 .3906 9.922 5764 .8906 22.622

1332 .4062 10.319 2932 .9062 23.019

2764 .4219 10.716 5964 .9219 23.416

716 .4375 11.112 1516 .9375 23.812

2964 .4531 11.509 6164 .9531 24.209

1532 .4688 11.906 3132 .9688 24.606

3164 .4844 12.303 6364 .9844 25.003

12 .5000 12.700 1 1.0000 25.400

Mass ConversionsTo convert from U.S. tons to metric tons multiply by .907185To convert from metric tons to U.S. tons multiply by 1.10231To convert from metric tons to pounds multiply by 2204.62To convert from metric tons to kilograms multiply by 1000To convert from pounds to kilograms multiply by .453592To convert from kilograms to pounds multiply by 2.20462

Temperature ConversionTo convert from degree fahrenheit to degree celsius use

Tc=5/9 (Tf-32)To convert from degree celsius to degree fahrenheit use

Tf=9/5(Tc)+32

Decimal and Metric Conversion Table

Reliability you can depend on, Crosby QT fittings.

As Forged Normalized Quenched &Tempered

Unretouched Photomicrographs (100x) of fitting

M13 Sling Angle Information

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