Heavy Duty Copper Flat Washer Kit With Storage Box, Metric M4 To M14 Gasket Assortment For Automotive And Mechanical Repair, Sealing Washers, 200 Pieces, All Purpose Hardware Set

Copper Flat Washer Kit for M4 to M14, 200 Pcs, with Box
✔️ Includes M4, M5, M6, M8, M10, M12, M14 copper washers in a storage box

This heavy-duty copper flat washer set includes 200 pieces in metric sizes M4 to M14, organized in a compact storage box. It's handy for automotive maintenance, machinery repair, hydraulic lines, electrical connections and everyday hardware tasks.

✅ Copper washers designed for sealing and load distribution in fastener assemblies
✅ Metric sizes included: M4, M5, M6, M8, M10, M12, M14
✅ Sturdy copper provides heat resistance and corrosion tolerance
✅ Comes in a compact storage box for quick size access and organization
✅ 200 pieces in one set for automotive, machinery, hydraulic, electrical and home projects

💡 What is a copper flat washer kit used for in automotive and machinery repair?
It helps seal joints and distribute load in a variety of fastener assemblies.
- Provides sealing in hydraulic, fuel, and cooling lines
- Covers M4 to M14 sizes for common fasteners
- Stored in a box for quick access and organization
- Copper offers heat resistance and corrosion protection

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