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Black Oxide Nuts and Bolts


Mutual Screw & Supply has a lot to offer in its Black Oxide Finish Department. From the black oxide screw with an unslotted, flat head, cap, or Phillips design to black oxide bolts, nuts, and pins, you’ll find the fastening products you need with ease in our convenient online catalog.

Black oxide stainless steel screws are sold in quantities from the hundreds to the thousands. Customers can, therefore, conveniently buy enough black oxide nuts and bolts to support their businesses and processes.

We’ve been distributing black oxide fasteners and more since 1947, and we supply fasteners in bulk and in custom packaging and labeling. Our inventory is stocked with the best in black screws; secure your equipment with our top-of-the-line black oxide machine screws that can hold up under the tightest tolerances. Order screws, hex nuts, square nuts, split lock washers, flat washers, and much, much more easily online now.

Department - Black Oxide Finish Department