Made in U.S.A.
All head hex cap screws manufactured by Robbins Mfg. Co. All hex head are made of 304 stainless steel. Heads are marked with MS radial lines, Robbins "R" trademark, and "304" as the material. Chemicals and physicals with paper work showing full conformance to MS specifications are available for all items.

Hex head cap screws
  • Material to procurement spec FF-S-85; Fed Std 66; QQ-S-763.
  • Mechanical properties (tensile, yield, elongation, reduction of area, and hardness) meet all
  • more
Unit of Measure

Manufacturer

Manufacturer

Robbins Manufacturing Co., Inc.

Specifications

Product

Hex Head Cap Screws

Thread Size

5/16-18

Length

1-1/8 in

Thread Type

Coarse

Stamping

-335

Material

304 Stainless Steel

Codes and Standards

Military Specification

MS 35307
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