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200pcs Copper Crush Washer Kit 9 Size Metric Sealing Oil

Drain Plug Banjo M5-m14

USD $15.99

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Keep the right sealing washers on hand for repairs and maintenance with this 200PCS Copper Crush Washer Assortment Kit (Metric, 9 Sizes). These soft copper sealing washers are designed to compress (crush) when tightened, helping fill tiny surface imperfections and create a tighter seal in many fluid and fitting applications. 

This set is commonly searched in the USA as: copper crush washer kit, metric copper sealing washers, oil drain plug washer, banjo bolt copper washers, hydraulic sealing washer set, fuel line sealing washers, automotive copper washer assortment, and marine copper washers

✅ What You Get (200PCS + Organizer Case)

All washers come neatly organized in a sturdy compartment storage box so you can quickly find the size you need for the job.

9 Sizes Included (Metric Copper Crush / Sealing Washers):

  • M5×9×1mm — 30PCS

  • M6×10×1mm — 30PCS

  • M6×12×1mm — 20PCS

  • M8×12×1mm — 20PCS

  • M8×14×1mm — 20PCS

  • M10×14×1mm — 20PCS

  • M12×16×1mm — 20PCS

  • M12×18×1.5mm — 20PCS

  • M14×18×1mm — 20PCS

✅ High-Quality Copper (Great for Sealing Work)

Made from red copper for strong performance in many environments. Copper washers are valued for their malleability (crush/seal ability) and excellent conductivity, and they’re widely used across automotive, plumbing, hydraulic, and industrial applications. 

✅ Common Applications (Most Popular Uses)

Perfect for jobs that require a reliable seal, including:

  • Oil drain plug sealing washers

  • Banjo bolt copper washers (brake lines / fluid fittings)

  • Fuel system fittings

  • Hydraulic fittings

  • Automotive & motorcycle maintenance

  • Marine and wet-environment projects

  • Electrical connections that benefit from copper conductivity 

✅ Helpful Installation Tips (Reduces Leaks & Returns)
  • Ensure sealing surfaces are clean and smooth before installation.

  • Tighten to the correct torque for your application.

  • Crush washers are commonly replaced after disassembly because they deform to seal. 

✅ Package Includes
  • 200 × Metric Copper Crush/Sealing Washers (9 sizes)

  • 1 × Organizer Storage Case

  •  
  • Size: 9 size copper flat crush washers, include M5, M6, M8, M10, M12 and M14
  • Storage Box: 200pcs washers are organized in a sturdy convenient storage case
  • High Qulity: Made of high quality red copper, provides high temperature resistance, high conductivity and tighter seal; works great in wet environment
  • Application: Widely used for electrical connections, such as household, commercial appliances, automotive and marine, fuel, hydraulic fittings etc.

 

Product description LordHardware 200pcs Copper Crush Metric Washers Assortment Kit Flat Sealing Washer M5 M6 M8 M10 M12 M14 Widely Used for Electrical Connections, Such As Household, Commercial Appliances, Automotive and Marine, Fuel, Hydraulic Fittings 200pcs Copper Sealing Washers Are Organized in a Sturdy Convenient Storage Case M5 M6 M8 M10 M12 M14 Total 9 size of Copper Crush Sealing Washers for Widely Application Package Included
  1. M5x9x1mm----------- 30PCS
  2. M6x10x1mm-----------30PCS
  3. M6x12x1mm-----------20PCS
  4. M8x12x1mm-----------20PCS
  5. M8x14x1mm-----------20PCS
  6. M10x14x1mm----------20PCS
  7. M12x16x1mm----------20PCS
  8. M12x18x1.5mm--------20PCS
  9. M14x18x1mm----------20PCS

 

200pcs Copper Crush Washer Kit 9 Size Metric Sealing Oil Drain Plug Banjo M5-M14
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