Product: Socket Head Cap Screw, 3/8-16 x 4", Alloy Steel, Black Oxide, Hex Socket (Quantity: 50) Coarse Thread, 3/8 inch Hexagonal Allen Bolt, Length: 4 inch, Partial Thread
Brand: Newport Fasteners
Color: Black
An externally threaded fastener with unified threads, a cylindrical head with a chamfered top surface, knurled cylindrical sides and hexagonal recess, made from alloy Steel. Ideal for precision assembly work with close tolerances and applications needing a well tooled appearance. Supplies greater tensile strength than equivalent sizes of Grade 5 or Grade 8 hex head cap screws while requiring less surface area or counterbore since the fastener is internally wrenched.
Thread: Coarse / Partial Thread / Alloy Steel / Black Oxide
Recommended Hex Socket Allen Key Wrench: 5/16
Black Oxide is not a protective finish and will rust if exposed to moisture. Stainless Steel material is recommended for environments with moisture

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