Manufacturers of Precision Crafted, custom bolts, nuts, studs, and machined parts.

When Quality Matters• Critical application fasteners• Manufacturing to ASTM, ASME, DIN, ISO, SAE, ANSI or

Client Specifications • Full traceability• Small Quantity, High Quality

Forged Parts• 1/4” – 3” diameter • Hex Bolts, Heavy Hex Bolts and Cap Screw• Hex Nuts, Heavy Hex Nuts• 12 Point Flange Screws and 12 Point Flange Nuts • Socket Head Cap Screws, and Shoulder Bolts• Square, Flat, Oval and Round Heads

Threading Processes• Roll Threading• 1/4” to 1-1/4” Diameter 

• Cut Threading• From # 10 to 4” Diameter 

• Single Point Threading•  From 1/4” to 8” Diameter up to 60 inches in length• All threads—special material

• Specialty Threads• Left Hand, Acme, Stud Acme , British Standard Whitworth, etc.

Custom Machine Work• Build-to-Print Precision• Leading Edge Milling and Turning• Drill, Tap, EDM

Materials • Carbon Steels: L7, L7M, L43, B7, B7M• 300 Series Stainless: B8C, B8M, B8TA• 400 Series Stainless: 410, Nace, B6 or B6X• Miscellaneous Stainless: A286 660 A,B,C,D, Nitronic 50 & 60, 17-

4PH • Nickel Alloys: AL6XN, Monel 400, K500, Inconel 718, 625,

Waspaloy• Duplex and Super Duplex: 254 SMO, 2205, 2507, Zeron 100• Copper Steels: C614, C624, 651• And many other grades

Quality and Shipping• Tolerance of parts are checked after

every process to insure compliance • Finished parts are inspected by our

Quality Control prior to shipping• Thread protection sleeves are provided

to prevent damage during shipping• Free drop-shipping available

ISO Certified In our operation of Spring Bolt and Nut Manufacturing, We are dedicated to upholding an exacting standard of quality, efficiency, and safety. This enables us to deliver the highest quality precision-crafted, custom bolts, nuts and machined parts.

LocationSpring Bolt and Nut Manufacturing3280 WHEAT STREETHOUSTON, TX. 77086

Baron Yarborough

“Our philosophy is simple, serve our customers and provide the service they expect when they expect it.”

-Richard Sivley, Owner and CEO

Director of Sales281-448-4440 (office) 817-896-3315 (cell) 281-448-4492 (fax)

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