Quantity & Size: You will get 200pcs M3-0.5 locknuts, black. Our m3x0.5 locknut makes you have spares on hand for various projects
Standard Metric Thread: Our m3 x 0.5mm locknuts are standard metric threaded fasteners. Standard size, high precision, conform to standard DIN 985
Nylon Insert Design: The m3 lock nut is designed with nylon insert to resist loosening when subjected to vibration or torque
Corrosion and Rust Resistant: The m3-0.5 lock nut is made of 304 (18-8) stainless steel A2-70, black zinc plated, not rust in outdoor use. Strong and durable hardware nuts
Application: Mating with bolts, the lock nuts are widely used in engines and other automotive parts, mechanical and industrial applications, DIY projects, furniture, household appliance repairs, etc.