5/8-11 x 4" Grade 8 USS Coarse Yellow Zinc Finish Hex Cap Screw-Partially Threaded
Partially 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.