Nylock Nut (Nylon Insert Lock Nut), 9/16"-18 Thread, Yellow Zinc, GR.8 {10pk}

9/16-18 NYLOCK (Nylon Insert Locknut) - GRADE 8 - YELLOW ZINC (10 ea). Commonly referred to as Nylocks, these Grade 8 Nylon Insert Locknuts are used primarily for a shear load on the fastener assembly.

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