385 Pcs Black Lock Washer Set, Starlock Washers Assortment, Anti-Loosening Fastener Washers Kit - M3 M4 M5 M6 M8 M10 M12

• Premium Quality Material:These black lock washers are made from high-quality carbon steel, offering excellent strength, rust resistance, and long-lasting durability. Ideal for professional or DIY use in demanding environments.
• Reliable Anti-Loosening Function:The starlock and internal tooth design creates spring tension between the fastener head and the base material, increasing friction and preventing loosening caused by vibration or movement.
• Organized Storage Box:All 385 pieces are neatly packed in a transparent, sturdy storage case with individual compartments for each size. Easy to store, identify, and carry—perfect for workshop or on-site jobs.
• Wide Application Range:Suitable for use in automotive, machinery, shipbuilding, electrical, and household projects. These washers provide excellent shock absorption and corrosion protection in both indoor and outdoor environments.
• Comprehensive Assortment:Includes 385 pieces in the most common sizes: 60 × M3, 70 × M4, 60 × M5, 60 × M6, 55 × M8, 55 × M10, and 25 × M12. Covers a wide range of fastening and repair needs.

Why Choose Our Lock Washer Set? 1. Made of premium carbon steel, these washers offer superior strength, corrosion resistance, and long-term durability for reliable fastening. 2. The starlock and internal tooth design provides excellent grip and friction, preventing fasteners from loosening under vibration or pressure. 3. Widely used in automotive, machinery, electronics, shipbuilding, and household maintenance. Ideal for shock absorption, insulation, and anti-slip reinforcement. 4. Each size is clearly sorted in a durable plastic case—easy to find, easy to store, and easy to carry wherever your work takes you. 5. A complete 385-piece kit that meets the needs of workshops, mechanics, DIY enthusiasts, and professionals alike. Specifications: Material: Carbon Steel Colour: Black Quantity: 385 Pcs Package Includes: M3 × 60 pcs M4 × 70 pcs M5 × 60 pcs M6 × 60 pcs M8 × 55 pcs M12 × 25 pcs Notes: Colours may appear slightly different due to monitor settings. Die Farbe kann aufgrund der Farbeinstellungen Ihres Monitors leicht vom Online-Bild abweichen. Bitte beziehen Sie sich auf das tatsächliche Produkt. Vielen Dank für Ihr Verständnis.