Inch, Plow Bolt, #3 Flat Head Type, Carbon Steel, Material Grade Grade 5, Plain Fastener Finish, Dia./Thread Size 7/16 In.-14, Fastener Length 2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Industry Standards SAE J-429, Head Style Countersunk, Head Dia. 0.826 in, Head Height 23/64 in, Head Angle (Deg.) 80, Package Quantity 25 Square Neck Plow Bolts feature large, countersunk heads with short, square necks that help in preventing the bolts from turning as the nuts are tightened. Use on heavy equipment. Grade 5 Steel bolts are hardened, yet more malleable than Grade 8, allowing them to withstand shear force.