Back Home / Fasteners / Nuts / HEX NUT UNC ZINC 9/16″-12 GR 5 HEX NUT UNC ZINC 9/16″-12 GR 5 SKU: N9612 Categories: Fasteners, Nuts A finished hex nut made from low carbon steel. For use with grade 5 bolts. Proof load: 120,000 psi. Size: 9/16″-12. Zinc plated. A finished hex nut made from low carbon steel. For use with grade 5 bolts. Proof load: 120,000 psi. Size: 9/16″-12. Zinc plated. Case Quantity: 25 Log In For Pricing