400 Piece Washer Kit With Flat And Spring Lock Washers In M3 M4 M5 M6 M8 Sizes, Carbon Steel Black Finish, The Ultimate DIY Gearhead Must Have For Electronics And Machinery, Heavy Duty Corrosion Resistant Fastener Assortment

400-piece Washer Kit, M3-M8: Spring & Flat Washers ✔️ 400 pieces: 200 lock & 200 flat washers, M3-M8, blackened steel

This 400-piece washer kit pairs spring lock washers with flat washers across sizes M3, M4, M5, M6, and M8. Built from carbon steel with oxidation and blackening, it’s a dependable choice for electronics, machinery, and home appliances where secure fastening and corrosion resistance matter.

✅ Spring lock washers: M3 50pcs, M4 50pcs, M5 50pcs, M6 25pcs, M8 25pcs
✅ Flat washers: M3 50pcs, M4 50pcs, M5 50pcs, M6 25pcs, M8 25pcs
✅ Material: carbon steel 45H with oxidation and blackening finish
✅ Purpose: improves load distribution and resists abrasion on fastened joints
✅ Pack size: 400-piece kit (200 lock + 200 flat) for electronics and machinery

💡 What is a washer kit used for in electronics and machinery? A handy, quick reference for secure mounting and surface protection. - Distributes load to prevent embedding and wear - Prevents loosening under vibration in electronics and machinery - Provides quick access to common sizes for maintenance