provides fasteners made of high tensile alloy steel 4140, such as bolts, screws, stud bolts, threaded rods, nuts, and washers. A193 B7, B7M, and A320 L7, L7M fasteners are made from the high strength chromium-molybdenum alloy steel grade known as AISI 4140 for use in low temperature bolting applications. We primarily manufacture AISI 4140 alloy steel eye bolts, anchor bolts, fully threaded stud bolts, double end studs, heavy hex bolts, and hex head bolts.
