Back Home / Fasteners / Nuts / HEX NUT UNC ZINC #12-24 GR 5 HEX NUT UNC ZINC #12-24 GR 5 SKU: N1224 Categories: Fasteners, Nuts Hex machine screw nuts made from low carbon steel. Threads are Unified Standard, Class 2B. Designed to be used specifically with machine screws. Zinc plated. Size: #12-24. Case Quantity: 100 Log In For Pricing