Retail 60Pcs Metric M5-0.8 Nuts With 100Pcs M5 Washers 304 Stainless Steel M5 Nylon Insert Lock Nuts Self Tight Hex Locknut HIGH-QUALITY MATERIALS: The lock nuts are made of top stainless steel, which is resistant to wear, low temperature, corrosion, and has a bright and beautiful surface. It will never rust or break. Good thermal expansion performance, safe and durable . The lock washers are made of corrosion-resistant materials, with good toughness and high strength. BETTER PERFORMANCE: These high-quality lock nuts can replace lock washers to prevent the bolts from being exposed. Compared with lock washers, it is safer, more securely locked, and has better performance because it is made of corrosion-resistant materials. GOOD QUALITY: It has a strong anti-rotation ability, which can prevent the lock nut from weakening and loosening under the action of vibration and torque, thereby reducing the clamping strength. It is guaranteed to be intact, unwavering, and almost indestructible. CONVENIENT MANAGEMENT: They are packed in self-sealing bags with labels, which are easy to carry. Instead of bulky boxes. Specification:Fastener Type: LockThread Size: M5-0.8Spacer size: M5 x 10mm x 1mmColour:silverMaterial:Stainless steelPackage Contents:100 * (+/-2%) x M5x10x1mm Flat Washers40 * M5 Lock NutsOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.