3mm-.50 Metric Coarse Lock Nuts

These 3mm-.50 Metric Coarse Lock Nuts are crafted from high-quality A2 (304) stainless steel, offering exceptional resistance to rust and oxidation for both indoor and outdoor use. Featuring an integrated nylon insert, these lock nuts effectively prevent loosening caused by vibration and movement, ensuring secure and reliable fastening over time. Rated to A2-70 with a minimum tensile strength of 700 MPa, they provide dependable performance for a wide range of general-purpose fastening applications.

Designed specifically for metric threaded fasteners, these lock nuts deliver a precise fit that maintains consistent performance in metric assemblies. The stainless steel construction combined with the nylon locking feature allows for multiple installations while preserving a clean and finished appearance. Ideal for industries such as automotive, machinery, and construction, these lock nuts are a trusted choice for professionals seeking durable and secure fastening solutions.