Internal Tooth Star Lock Washers Assortment Kit 550 Pcs M2.5 M3 M4 M5 M6 M8 M10 M12 Stainless Steel 304 Rust Resistant Ultra Durable Built To Last For Automotive Machining And DIY Projects

Internal Tooth Star Lock Washer Kit - 550 Pcs, 304
✔️ 550 pcs in eight sizes M2.5/M12; 304 stainless; rust resistant

The internal tooth star washers are small, corrosion-resistant hardware components made from 304 stainless steel. They provide reliable locking action in assemblies, helping prevent loosening due to vibration in automotive, machinery, furniture, electronics, and DIY projects. The set is housed in a transparent box with clear model labeling for easy storage and transport.

✅ Material: 304 stainless steel with strong corrosion resistance
✅ Sizes included: M2.5, M3, M4, M5, M6, M8, M10, M12 (550 pcs total)
✅ Packaged in a reusable, transparent storage box for easy organization
✅ Compatible with matching screws, nuts, and bolts to prevent loosening
✅ Ideal for automotive, machinery, furniture, electrical appliances, and DIY projects

💡 What is an internal tooth star lock washer used for in mechanical assemblies?

These handy washers help prevent fastener loosening and improve joint stability in vibrating setups.

• Lock fasteners in place by biting into mating surfaces
• Made from 304 stainless steel for corrosion resistance
• Eight sizes from M2.5 to M12 cover common hardware
• Stored in a reusable, clear storage box for easy organization

✝️