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PFC 5/8"-11 NC x 2-1/8" Grade A Regular Coupling Nuts Zinc Plated - 20 per BoxProduct InformationPFC 5/8"-11 NC x 2-1/8" Grade A Regular Coupling Nuts Zinc Plated - 20 per Box • Coupling Nuts for 5/8" Diameter with 11 NC Thread (National Course) Bolts • 2-1/8" Length • Grade A Low Carbon Steel Coupling Nut (Meets ASTM A563) • Zinc Plated to meet ASTM F1941 FeZn3A • 20 per Box PFC Coupling Nuts - Coupling nut is a threaded fastener for joining two male threads, most commonly threaded rod. Fasteners are typically made of low-carbon steel. Coarse threads are better when working with brittle materials; they are sturdier and are easier to thread and unthread compared to fine. Coarse threading also allows for thicker coatings and platings. Other Item Details
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