High-Quality Carbon Steel with Black Oxide Finish: Our 635PCS Internal Tooth Star Lock Washers Assortment Kit is constructed from premium carbon steel and features a black oxide finish, delivering exceptional strength, durability, corrosion resistance, and rust proofing. These fasteners ensure long-lasting stability for all your assembly and repair needs, standing up to heavy use in various environments. Anti-Twist & Enhanced Friction Design: Engineered to apply consistent spring force between the fastener head and base material, these internal tooth lock washers create superior friction that effectively prevents twisting and loosening. The star-shaped internal tooth structure reinforces connection security, making them ideal for applications prone to vibration. Shock Absorption, Insulation & Easy Installation: Beyond secure locking, these quick speed locking washers offer excellent shock absorption and insulation properties, perfect for machinery and industrial production. They provide reliable corrosion protection for both machinery and base materials, while the push-on design ensures hassle-free installation and use for professionals and DIY enthusiasts alike. 7 Versatile Sizes in Organized Storage Box: This fasteners assortment kit includes 7 essential sizes to cover diverse needs: 150 pcs M3x9mm, 140 pcs M4x11mm, 115 pcs M5x13mm, 100 pcs M6x15mm, 50 pcs M8x17mm, 40 pcs M10x20mm, and 40 pcs M12x24mm. All washers are neatly organized in a durable storage box, keeping them classified, easy to access, and convenient to store or transport. Wide Industrial & Household Application: Suitable for automobiles, ships, generators, machinery, and factories, this push on locking washer kit is widely used in household repairs, shipbuilding, automotive maintenance, communications equipment, and other mechanical industries. It’s a versatile, must-have tool for anyone needing reliable, long-lasting fastener solutions. What are the advantages of our internal tooth washers?

1. Made of high-quality carbon steel, which are strong, durable, corrosion-resistant, and rust-proof, ensuring long-lasting stability. 2. Used to apply spring force between the fastener head and the base material, creating greater friction and providing anti-twist protection. 3. Widely used for shock absorption and insulation in machinery and industrial production. They offer high corrosion resistance to machinery and base materials and are easy to install and use. 4. All internal tooth lock washers are stored in a storage box, keeping them organized and easy to remove and store.

5. Suitable for automobiles, ships, generators, machinery, factories, etc. Widely used in household and shipbuilding, automotive, communications equipment, and other mechanical industries.



Features:

Material: Carbon Steel

Color: Black

Quantity: 635 pieces



Package Includes:

40 pcs - M10x20mm

50 pcs - M8x17mm

115 pcs - M5x13mm

40 pcs - M12x24mm

100 pcs - M6x15mm

150 pcs - M3x9mm

140 pcs - M4x11mm



Warm Tips:

Dimensions are measured manually, please allow slight errors.

Color may vary slightly from the online image due to your monitor color settings, please refer to the actual product, thank you for your understanding.