Description
Technical Specs Item Flange Bolt System of Measurement Inch Basic Material Steel Material Grade Grade 5 Fastener Finish Zinc Plated Head Type - Bolts Hex Serrated Flange Dia./Thread Size 1/4"-20 Fastener Length 1-1/2" Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Thread Style Partially Threaded Fastener Industry Standards ASME B18.2.1 Min. Thread Length 3/4" Head Height 9/32" Head Width 3/8" Flange Dia. 9/16" Proof Load 85,000 psi Tensile Strength 120,000 psi Rockwell Hardness C25 to C34