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Buy the 1/2-20 L-9 Collar Locknuts, Fine, Alloy, Cadmium II Yellow & Wax, USA online from South Coast Fasteners. It measures 1/2" diameter, fine thread, Alloy with a Cadmium II Yellow & Wax finish. Built for general assembly and industrial fastening, it is part of our USA L9 Fasteners line, stocked across industries such as Construction, Manufacturing, and Automotive. Its high tensile rating fits structural joints and heavy equipment assembly.
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