In a world of constant motion, we’ve set the standard for domestically manufactured locknut selection and quality. We manufacture a broad range of locknuts, available in sizes ranging from machine screw to over 6” in diameter.

We offer a comprehensive selection of locknuts, including our exclusive ANCO® PN-LOC® Structural Locknut, along with Prevailing-Torque and Free-Spinning styles. We can also custom manufacture specialty fasteners and hardware to meet your unique requirements. Our manufacturing and stocking facility is centrally located in Mansfield, Texas, so we offer some of the shortest lead times in the industry.