M6 Internal Tooth Serrated Locking Washers Set 20 Pcs Made From 304 Stainless Steel Silver Finish Great For Quick Locking Fasteners Star Nut Locking Rings And Heavy Duty Hardware Projects

Premium M6 Internal Tooth Serrated Lock Washer Set, 20 Pcs
✔️ 20-piece M6 serrated washers: OD 11 mm, ID 6.4 mm, T 2 mm

These internal tooth serrated lock washers bite into bolt heads and mating surfaces to lock fasteners firmly in place. They are commonly used in automotive, industrial equipment, and DIY projects where vibration and movement must be kept to a minimum.

✅ Material: 304 stainless steel for high hardness and corrosion resistance
✅ Size: M6, OD 11 mm, ID 6.4 mm, Total thickness 2 mm, tooth thickness 0.7 mm
✅ Finish: Silver finish with Wash White surface treatment for durability
✅ Pack: 20 pieces included for quick locking projects

💡 What is a locking washer used for in everyday hardware assemblies? Handy explanation for common setups. - locking washers provide friction to resist loosening under vibration - internal tooth serrated design bites into bolt head and base to prevent rotation - 304 stainless steel offers corrosion resistance for indoor or outdoor use - ideal for DIY, automotive, marine, and electrical repair tasks