160 Pcs Metric Lock Nuts Kit, M3 M4 M5 M6 M8 M10 M12 Hardware Nuts

Key features

• 155 Pcs / 7 Sizes: 155-piece metric lock nut kit covering M3-0.5(41), M4-0.7(35), M5-0.8(30), M6-1.0(32), M8-1.25(16), M10-1.5(4) and M12-1.75(2). Covers small electronics to heavy machinery — all the metric lock nuts you need in one box.
• 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.
• Nylon Insert Anti-Loosening: Heat-fused nylon collar grips bolt threads with elastic friction, holding fast under vibration and shock — no adhesive needed. Reusable 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 5.2 x 3.6 x 0.6 in case fits toolbox, drawer or glove box.
• Versatile + Risk-Free: Perfect for furniture assembly, automotive repair, machinery manufacturing, 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.

Free shipping on orders $50+. 30-day hassle-free returns.