090212 RC50 hammer

Atlas Copco SecorocAtlas Copco Secoroc

Reverse Circulation EquipmentReverse Circulation Equipment

• 5” class entrant to RC market5” class entrant to RC market– 140mm to 152mm diameter holes140mm to 152mm diameter holes

– 130mm hammer OD130mm hammer OD

• FeaturesFeatures– Best-in-class performance and deep-Best-in-class performance and deep-

hole capability hole capability

– ““Simple” design with easy to remove Simple” design with easy to remove recovery tuberecovery tube

– Quantum Leap valve driveQuantum Leap valve drive• Boost your performance!Boost your performance!

• ApplicationsApplications– Exploration drillingExploration drilling

– In-pit grade controlIn-pit grade control

Secoroc RC50 HammerSecoroc RC50 Hammer

”V3” 8-scalop design – Preferred alternative!An all-round design for all markets but Australia.Air supply to bit face through 8-scalops.Can only be used with the “V3” bit assortment.Good overall performance, works well in unconsolidated formations.Part No 52292273

Recommended applications:• Exploration drilling• In pit grade control

”V7” Multi hole chuck designA design for the Australian market only (uses a solid chuck

design).

Air supply to bit head through 22 small OD holes drilled through

the chuck.This design have been develop in order to not infringe on a patent valid on the Australian market.

“V3” bit design can be used on the “V7” hammer design with improved performance in soft and unconsolidated formations.Part No 52347630 (with chuck sleeve (shroud))

52350071 (Solid chuck, for Australia)

Recommended applications:• Exploration drilling• In pit grade control

Available RC50 designs

RC 50 Chuck / Bit designsRC 50 Chuck / Bit designs“V7”“V7” Bit (90516448) on left“V3”“V3” bit (90516432) on right side,

”V7” DesignWith the ”Multi hole”chuck design

”V3” design with8-scalop bit/chuck design

RC50 Exploded view

Solid chuck designOnly for Australia

”Multi hole” chuck designWill be replaced by “V3” for

all markets but Australia

Through hardenedCollection tube

Poppet style valve

Debris screen

Non-ported piston

RC50 Exploded view

Secoroc RC pipes and adaptersSecoroc RC pipes and adapters

• Secoroc RC pipesSecoroc RC pipes– Friction weldedFriction welded

• Reduced weight by app. 24%Reduced weight by app. 24%

– ROC Style pipes – 167kgROC Style pipes – 167kg• Extended end piecesExtended end pieces• No wrench flatsNo wrench flats

– Explorac pipes – 158kgExplorac pipes – 158kg• Wrench flatsWrench flats

– Secoroc 4½” RC ThreadSecoroc 4½” RC Thread

• Wear subs & AdaptorsWear subs & Adaptors– 4½” Metzke thread on air swivel (ROC L8RC & Explorac R50)4½” Metzke thread on air swivel (ROC L8RC & Explorac R50)

– 4½” IF PIN (Explorac 220, air swivel built in to rotation unit)4½” IF PIN (Explorac 220, air swivel built in to rotation unit)

– 4½” Remet BOX Thread on hammer4½” Remet BOX Thread on hammer

• Blow up & Blow down subsBlow up & Blow down subs– Tools to clean out inner tubes (directing air to inner tubes)Tools to clean out inner tubes (directing air to inner tubes)

• Secoroc in-line Back hammerSecoroc in-line Back hammer– New application!New application!

ROC L8RC in Ghana – Equipped with RC50 hammerROC L8RC in Ghana – Equipped with RC50 hammer

Secoroc RC50 EquipmentSecoroc RC50 EquipmentA guideline for what hammer and bit design to use in different:

- Applications- Markets

””V3” 8-scalop designV3” 8-scalop design

””V7” Multi hole chuck designV7” Multi hole chuck design(with ”solid chuck” for Australian Market)(with ”solid chuck” for Australian Market)

RC50 ”V3” bit assortment8-Scalop bit/chuck design – Preferred alternative!

Product No Product Code Description

90516434 1E0-5136-97-7217,08-20 136mm bit, RC50, V390516432 1E0-5140-97-7217,08-20 140mm bit, RC50, V3

90516472 1E0-5143-97-7217,08-20 143mm bit, RC50, V3

90516433 1E0-5146-97-7217,08-20 146mm bit, RC50, V3

90516435 1E0-5165-97-7217,08-20 165mm bit, RC50, V3

CommentThe ”V3” bit design can be used with all RC50 hammer versions & kits, as shown below.

Please note that hammer 52348158 (and kit 52348992) is a design for Australia, no other hammer design can

be used in the are due to present patent situation.

Product No Product Code Description Comment

52292273 9705-52-67-00 RC50 hammer compl. “V3” hammer design. Not for AUSTRALIA

52351426 9705-52-67-00-040 RC50 Rebuild kit “V3” E-kit. NOT FOR AUSTRALIA

52348158 9705-52-65-00 RC50 A-140 compl. Solid chuck Australia only

52348992 9705-52-65-00-040 RC50 Rebuild kit A-140, Solid chuck Australia only

RC50 “V7” assortment“Multi hole” chuck design – For Australia


90516448 1E0-5140-97-1011736,08-20 140mm bit, RC50, V7 (Deeper grooves)

90516132 100-5146-97-7217,08-20 146mm bit, RC50, V7 (5-3/4")

90516133 100-5152-97-7217,08-20 152mm bit, RC50, V7 (6")

90516134 100-5165-97-7217,08-20 165mm bit, RC50, V7 (6-1/2")

CommentThe ”V7” bit assortment can due to design only be used with following hammers, kits and chucks:


52347630 9705-52-63-00 RC50 hammer compl. (Std or V7 design)

52348661 9705-52-63-00-040 RC50 Rebuild kit (Std or V7 design)



52347507 9705-00-63-00-001 RC50 V7 chuck, uses chuck sleeve

52350071 9705-00-65-37-001 RC50 “Solid” chuck, 137mm OD (for 140mm bit)

RC50 A-140 with ”V7” bit design

RC50 assortmentRC50 assortmentfor Australian Marketfor Australian Market

“V3” Bit assortment


90516434 1E0-5136-97-7217,08-20 136mm bit, RC50, V390516432 1E0-5140-97-7217,08-20 140mm bit, RC50, V3

90516472 1E0-5143-97-7217,08-20 143mm bit, RC50, V3

90516433 1E0-5146-97-7217,08-20 146mm bit, RC50, V3

90516435 1E0-5165-97-7217,08-20 165mm bit, RC50, V3

RC50 Hammers & kits for Australia




52350071 9705-00-65-37-001 RC50 “Solid” chuck, 137mm OD for 140mm bit

CommentDue to competitor patent portfolio, following RC50 hammer is the only design allowed to use in Australia.This hammer has a sealing built in to the chuck and requires no chuck sleeve (shroud).

090212 RC50 hammer

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