Our KM-USA Matched Grade 8 Fastening System includes top-of-the-line cap screws, hex nuts, lock nuts, flat washers and lock washers.

KM-USA High Head Grade 8 Cap Screws are manufactured in the U.S.A. under rigid quality control. By specializing in our own brand, we control the product specification from start to finish – using only domestic chromium alloy, processing the raw material, producing the fasteners to our specifications, heat treating, plating and packaging.

KM-USA offers 100% lot traceability back to the raw material, a 20% higher head for increased wrench ability and a 30-degree chamfered point for easier alignment in a threaded hole or with a hex nut.


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