Description
1/2"-13, Steel Hex Head Cap Screw, Grade 5, 3-3/4"L, Zinc Plated Finish, Technical Specs Item Hex Head Cap Screw System of Measurement Inch Cap Screw Type Hex Head Cap Screw Basic Material Steel Material Grade Grade 5 Fastener Finish Zinc Plated Dia./Thread Size 1/2"-13 Fastener Length 3-3/4" Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Thread Style Partially Threaded Fastener Industry Standards ASME B18.2.1 Head Type Hex Min. Thread Length 1-1/4" Head Height 5/16" Head Width 3/4" Proof Load 74,000 to 85,000 psi Tensile Strength 105,000 to 120,000 psi Rockwell Hardness C19 to C30