BBI 711094 Semi-Standard Shoulder Screw, 3/8-16, 1/4 in Hex Socket Drive, Alloy Steel
BBI Shoulder Screw, Semi-Standard, 3/8-16 Screw, Round Head, Hex Socket Drive, 1/4 in Drive, UNC, 1/2 in Shoulder Dia, 3/8 in Shoulder Length, HRC 36 - 43 Hardness, Alloy Steel, Plain