Copper Sealing Washers Kit, Kindroufly 320 Pieces, 11 Metric Sizes M5 To M20, Copper Washers Assortment Set For Automotive, Plumbing, And DIY Projects, Heavy Duty Metal Washers For Fast Fixes

Copper Sealing Washers Kit: 320-Piece Copper Washer Set
✔️ 320 pcs, 11 sizes M5-M20, copper sealing washers in labeled box

This copper sealing washers kit puts 320 copper washers in 11 metric sizes (M5 through M20) into a sturdy, transparent storage box. It’s a handy choice for automotive, plumbing, and DIY projects that require a solid seal and good heat resistance.

✅ 320 total pieces, 11 sizes M5-M20
✅ High quality copper material with smooth surface, corrosion resistance, and wear resistance
✅ Includes transparent storage box with 11 labeled compartments
✅ Suitable for sump plugs, water, fuel, and hydraulic fittings

💡 What is a copper sealing washer kit used for in plumbing and automotive connections? This handy set helps seal joints and fittings across a variety of systems. - Handy for sump plugs, water lines, fuel connections, and hydraulic fittings - Copper's high conductivity and heat endurance help prevent leaks - 11 metric sizes cover M5 to M20 for common fasteners - Store in labeled box for quick size selection on the job