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Flange Screws & Locknuts

Austin Hardware offers a wide range of flange screws and locknuts designed to deliver secure, vibration-resistant fastening for demanding industrial and transportation use. These fasteners have an integral flange that acts as a built-in washer, spreading pressure evenly and removing the need for separate washers. Available in multiple sizes, materials, and finishes, our flange screws and locknuts are suitable for trucks, trailers, buses, RVs, railcars, and industrial equipment. Whether you need serrated flange locknuts for extra grip or reversible locknuts for flexibility, our selection covers various fastening requirements.

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