BBI 711054 Semi-Standard Shoulder Screw, 1/4-20, 5/32 in Hex Socket Drive, Alloy Steel
BBI Shoulder Screw, Semi-Standard, 1/4-20 Screw, Round Head, Hex Socket Drive, 5/32 in Drive, UNC, 5/16 in Shoulder Dia, 2-1/2 in Shoulder Length, HRC 36 - 43 Hardness, Alloy Steel, Plain