BBI 711132 Semi-Standard Shoulder Screw, 5/8-11, 3/8 in Hex Socket Drive, Alloy Steel
BBI Shoulder Screw, Semi-Standard, 5/8-11 Screw, Round Head, Hex Socket Drive, 3/8 in Drive, UNC, 3/4 in Shoulder Dia, 3/4 in Shoulder Length, HRC 36 - 43 Hardness, Alloy Steel, Plain