Crush Flat Copper Washers Set With 120 Pieces In 15 Metric Sizes M5 M6 M8 M10 M12 M14 M18 M20 M22 M24 For Oil Plugs Drain Plugs Banjo Bolts Automotive Plumbing DIY All In One Sealing Washer Kit

Premium Copper Crush Washers Kit: 120 Pieces in 15 Sizes
✔️ Includes 120 red copper washers in 15 metric sizes for sealing

This copper crush washers set includes 120 pieces in 15 metric sizes (M5-M24), made from premium red copper for automotive, marine, plumbing, and DIY projects. Stored in a clear, labeled case for quick size identification and easy transport.

✅ 120 pieces in 15 sizes (M5, M6, M8, M10, M12, M14, M18, M20, M22, M24, and more)
✅ Red copper material offers heat resistance, corrosion resistance, and good conductivity
✅ Precision sealing washers deliver tight, leak-free seals and reduced vibration
✅ Organized, labeled storage case keeps sizes sorted and ready to grab
✅ Wide use in cars, boats, machinery, electrical work, plumbing, and home DIY

💡 What is a copper crush washer used for in mechanical assemblies?

These handy cups seal threads securely in engines, plumbing, and equipment. - Seals threaded connections under pressure to prevent leaks - Withstands heat and resists corrosion for long service life - 15 metric sizes from M5 to M24 cover common automotive and plumbing threads ✝️