200 Piece Copper Crush Washer Set Metric Assortment With 9 Sizes For Oil Water And Fuel Lines Durable Copper Flat Washers With High Conductivity And Heat Tolerance Seals Tight And Prevents Leaks For DIY Projects
✔️ 9 metric sizes, copper flat washers, 200 pcs, reusable seal
These copper crush washers are flat copper discs used to seal fluid connections around oil drains, fuel lines, and hydraulic fittings. They provide even load distribution and resist heat, making them suitable for automotive, marine, and DIY plumbing applications.
✅ 20×M14: 0.55×0.71×0.039" (14.0 mm × 18.0 mm × 1.0 mm)
✅ 20×M12 set1: 0.47×0.71×0.059" (11.94 × 18.0 × 1.50 mm)
✅ 20×M12 set2: 0.47×0.63×0.039" (11.94 × 16.0 × 1.0 mm)
✅ 20×M10: 0.39×0.71×0.039" (9.91 × 18.0 × 1.0 mm)
✅ 40×M8 (2 sets): 0.31×0.71×0.039" (7.87 × 18.0 × 1.0 mm)
✅ 20×M6 set1: 0.24×0.47×0.039" (6.10 × 11.94 × 1.0 mm)
✅ 30×M6 set2: 0.24×0.39×0.039" (6.10 × 9.91 × 1.0 mm)
✅ 30×M5: 0.19×0.35×0.039" (4.83 × 8.89 × 1.0 mm)
💡 What is a copper crush washer set used for in automotive and hydraulic systems?
It helps seal connections by deforming to fill gaps and distribute pressure, reducing leaks in oil, water, and fuel lines.
- handy for sealing oil drains, fuel lines, and hydraulic fittings
- distributes load to protect threads and mating surfaces in sealed systems
- includes 200 pieces across 9 metric sizes to cover automotive and plumbing needs