Pro Grade Copper Crush Washer Set 200Pcs Nine Sizes Metric Sealing Washers Assortment Kit M5 M6 M8 M10 M12 M14 For Plumbing Sump Plugs Oil Seals Gaskets Fittings Industrial And Household Use

Copper Crush Washer Kit, 200 Pcs, 9 Sizes M5-M14
✔️ 200 pcs, nine sizes, copper crush washers in organized case

This copper crush washer assortment provides nine metric sizes for sealing joints in plumbing, sump plugs, automotive fittings, and electrical work, all neatly stored in a clear organizer for quick access.

✅ High-purity copper material offers good thermal and electrical conductivity and corrosion resistance.
✅ Even pressure distribution helps prevent leaks when tightening fittings.
✅ Nine sizes included: M5*9*1, M6*10*1, M6*12*1, M8*12*1, M8*14*1, M10*14*1, M12*16*1, M12*18*1.5, M14*18*1; total 200 pcs in organizer.
✅ Suitable for plumbing, sump plugs, automotive, and mechanical projects requiring reliable sealing.
✅ Reusable design offers long service life and repeatable results.

💡 What is a copper crush washer set used for in plumbing and automotive sealing? It’s a handy kit that helps seal joints and prevent leaks under pressure.

• Leak prevention in plumbing and automotive fittings
• Even pressure distribution reduces wear and damage
• Includes nine sizes totaling 200 pieces for wide coverage