Grade 8, 1-1/4-7 Hex Head Cap Screw, Zinc & Yellow Plated Steel, 3-1/2 in L
2.Thread Length 2 3/4 in, Head Height 25/32 in, Head Width 1 7/8 in Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Zinc Yellow, Dia..-7, Fastener Length 3 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.