BBI 581381 1960 Semi-Standard Round Socket Cap Screw, 1/4-20, 4-1/2 in OAL, Alloy Steel, 3A Grade

BBI Round Socket Cap Screw, Semi-Standard, Series: 1960, Measurement System: Imperial, 1/4-20 Thread, 4-1/2 in Overall Length, Alloy Steel, 3A Grade, Plain/Thermal Black Oxide, Material Specification: ASTM A574, 3/16 in Drive, Hex Drive