Grade A490, 1 1/8 in Tension Control Bolt, Black Oxide Steel, 4 1/4 in L, 70 PK

Inch, Tension Control Bolt, Steel, Fastener Finish Plain, Dia./Thread Size 1 1/8 In.-7, Fastener Length 4 1/4 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM F2280-1, Thread Length 2 in, Fastener Thread Direction Right Hand, Head Dia. 2 3/8 in, Head Height 45/64 in, Tensile Strength (PSI) 150,000 to 173,000, Rockwell Hardness HRC33, Includes Grade DH, Heavy Hex Nut and F436 Washer, Package Quantity 70