Inch Plow Bolt #7 with Locking Key Head Type Alloy Steel Material Grade Grade 8 Plain Fastener Finish Dia/Thread Size 1 In.-8 Fastener Length 3 1/2 in Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Industry Standards SAE J-429 Head Style Countersunk Head Dia 1.634 in Head Height 39/64 in Head Angle (Deg.) 60 Includes -