Black Oxide

3/4" (5/8"-11) UNC Socket Head Shoulder Screw - Black Oxide 221214 - 221262

Black oxide steel socket head shoulder screws are considered grade 12 (12.9). The socket head shoulder screws offer a very high tensile strength of 170,000 psi when tested lengthwise. The shoulder screws are offered in both black oxide and stainless...

5/8" (1/2"-13) UNC Socket Head Shoulder Screw - Black Oxide 221160 - 221211

Black oxide steel socket head shoulder screws are considered grade 12 (12.9). The socket head shoulder screws offer a very high tensile strength of 170,000 psi when tested lengthwise. The shoulder screws are offered in both black oxide and stainless...

1/2" (3/8"-16) UNC Socket Head Shoulder Screw - Black Oxide 221100 - 221157

Black oxide steel socket head shoulder screws are considered grade 12 (12.9). The socket head shoulder screws offer a very high tensile strength of 170,000 psi when tested lengthwise. The shoulder screws are offered in both black oxide and stainless...

3/8" (5/16"-18) UNC Socket Head Shoulder Screw - Black Oxide 221049 - 221097

Black oxide steel socket head shoulder screws are considered grade 12 (12.9). The socket head shoulder screws offer a very high tensile strength of 170,000 psi when tested lengthwise. The shoulder screws are offered in both black oxide and stainless...

5/16" (1/4"-20) UNC Socket Head Shoulder Screw - Black Oxide 221022 - 221046

Black oxide steel socket head shoulder screws are considered grade 12 (12.9). The socket head shoulder screws offer a very high tensile strength of 170,000 psi when tested lengthwise. The shoulder screws are offered in both black oxide and stainless...

1/4" (#10-24) UNC Socket Head Shoulder Screw - Black Oxide 221001 - 221019

Black oxide steel socket head shoulder screws are considered grade 12 (12.9). The socket head shoulder screws offer a very high tensile strength of 170,000 psi when tested lengthwise. The shoulder screws are offered in both black oxide and stainless...