400 Pcs SAE & Metric Lock Nuts Kit, M3-M12 & #6-1/2 Hardware Nuts

Product details

From the brand wwsurpluses Rust is born from the steadfastness in every moment. wwsurpluses Rust is born from the steadfastness in every moment. At every point where safety is at stake, and in every creation from blueprint to reality, there is a force that ensures stability. This is the mission of wwsurpsure - we are dedicated to manufacturing precise hardware fasteners, making the connection itself the most reliable commitment. At every point where safety is at stake, and in every creation from blueprint to reality, there is a force that ensures stability. This is the mission of wwsurpsure - we are dedicated to manufacturing precise hardware fasteners, making the connection itself the most reliable commitment. Locknuts SEA Lock Nuts Metric Lock Nuts Product description 400 Pcs / 15 Sizes: 400-piece SAE & metric lock nut kit: 7 inch sizes (#6-32 to 1/2"-13) + 7 metric sizes (M3-M12). More pieces than similar-priced kits — one box replaces separate SAE and metric assortments, covering electronics to heavy machinery. 304 (A2-70) Stainless Steel: Machined from 304 (A2-70) stainless steel (18% Cr + 8% Ni) with ISO45001-certified quality. Corrosion-resistant and rustproof in humid or outdoor conditions, far more durable than zinc-plated nuts. Clear threads, smooth finish, consistent sizing. Nylon Insert Anti-Loosening: Heat-fused nylon collar grips bolt threads with elastic friction, holding fast under vibration, shock and torque — no adhesive needed. Reusable across multiple installations with dependable locking force for engines, motors, furniture and vehicles. Sealed Box with Quantity Labels: Pre-sorted in a sealed organizer with quantity labels printed inside each compartment. Instantly identify sizes, prevent loss or mix-ups, and keep your workspace tidy. Compact 6.9 x 3.5 x 1.25 in case fits toolbox, drawer or vehicle storage. Versatile + Risk-Free: Perfect for furniture assembly, automotive repair, machinery, construction, bicycles and DIY. Use a torque or socket wrench and avoid impact wrenches. Backed by responsive after-sales support — contact us if anything falls short.