5/16-18 x 1/2" Grade 8 USS Coarse Yellow Zinc Finish Hex Cap Screw-Fully Threaded
Fully Threaded-Grade 8 Coarse Thread Hex Cap Screws are made of medium carbon alloy tempered steel. They have a greater tensile strength than a Grade 5 Hex Cap Screw and have a tensile strength of 150,000 pounds per square inch.
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