[150 PKG] Castle Nuts Steel Zinc Plated 1/2-13

Castle Nuts Steel Zinc Plated 1/2-13Secure fasteners with confidence using our durable Castle Nuts, crafted from high-quality steel and finished with a protective zinc plating. Designed for strength and corrosion resistance, these castellated nuts are a reliable choice for automotive, machinery, and outdoor applications.Key Features Material: Steel Finish: Zinc plated for corrosion resistance Thread Size: 1/2-13 (UNC) Type: Castle nut (castellated nut) with locking slots Uses: Pairs with a bolt and cotter pin to prevent looseningWhy Choose Castle Nuts?Castle nuts provide a secure, tamper-evident lock that stays in place under vibration and stress. The zinc plating adds longevity in both indoor and outdoor environments, while the 1/2-13 size fits standard bolts used in many equipment assemblies.