BBI 502057 Full Thread Tap Bolt, 1/4-20, 4 in L Under Head, 5 Grade, Medium Carbon Steel, Zinc CR+3

BBI Tap Bolt, Full Thread, Measurement System: Imperial, 1/4-20 Thread, 4 in Length Under Head, 5 Grade, Medium Carbon Steel, Zinc CR+3, 11/64 in H Head, 120000 psi Tensile Strength, 25 to 34 HRC Hardness, UNC Thread, Hex Head