150PCS Copper Sealing Washer Assortment Kit, High-Purity Red Copper Flat Gasket Set for Automotive, Marine & Industrial Sealing Applications
150PCS high-purity red copper sealing washer assortment kit, featuring 13 versatile sizes for automotive brake systems, marine engine maintenance, industrial hydraulic fittings, and heavy machinery repairs. Made from 99.9% pure red copper, these flat gaskets deliver superior ductility, heat resistance, and saltwater corrosion protection, ensuring a tight, leak-proof seal even on rough or worn surfaces. The robust, compartmentalized storage box keeps sizes organized for quick access, making it ideal for professional mechanics, marine technicians, and industrial maintenance teams.
Description
150PCS Copper Sealing Washer Assortment Kit, High-Purity Red Copper Flat Gasket Set for Automotive, Marine & Industrial Sealing Applications
Auto Parts & Industrial Hardware Dual Category | 13 Sizes for Heavy-Duty Sealing Needs
🔍 Product Description
Our 150PCS copper sealing washer assortment kit is the ultimate solution for professionals tackling heavy-duty sealing tasks. This large-capacity set includes 13 versatile sizes of high-purity red copper gaskets, designed to cover automotive brake lines, marine engine fittings, industrial hydraulic systems, and heavy machinery repairs. Made from 99.9% pure red copper, these washers offer exceptional ductility, allowing them to crush evenly and fill imperfections in mating surfaces—creating a tight, leak-proof seal that resists heat, vibration, and saltwater corrosion.
The kit comes in a robust, compartmentalized storage box, ensuring each size is separated and easily accessible. Whether you’re a mechanic maintaining a truck fleet, a marine technician servicing boat engines, or an industrial engineer repairing hydraulic equipment, this kit ensures you always have the right size copper washer on hand, reducing downtime and boosting efficiency.
✨ Key Features
- 150PCS Large Capacity Kit – 13 versatile sizes (5mm ID×9mm OD to 20mm ID×26mm OD) for heavy-duty sealing tasks
- 99.9% High-Purity Red Copper – Superior ductility and corrosion resistance for long-lasting performance
- Marine Grade Protection – Passes 480-hour salt spray test, ideal for boat engines and offshore equipment
- Heat & Pressure Resistant – Withstands temperatures up to 500°C and high pressure, perfect for industrial systems
- Robust Storage Box – Compartmentalized design keeps sizes organized for quick access and easy transport
- Triple Application Scope – Suitable for automotive, marine, and industrial sealing needs
- Crush-to-Seal Design – Conforms to rough/worn surfaces to create a tight, leak-proof seal every time
📊 What’s Included (Size & Quantity)
1. 5mm ID × 9mm OD – 10PCS
2. 6mm ID × 10mm OD – 10PCS
3. 6mm ID × 12mm OD – 10PCS
4. 8mm ID × 12mm OD – 10PCS
5. 10mm ID × 14mm OD – 10PCS
6. 8mm ID × 14mm OD – 10PCS
7. 12mm ID × 16mm OD – 20PCS
8. 14mm ID × 18mm OD – 10PCS
9. 12mm ID × 18mm OD – 10PCS
10. 16mm ID × 20mm OD – 20PCS
11. 16mm ID × 22mm OD – 10PCS
12. 20mm ID × 26mm OD – 10PCS
13. 18mm ID × 24mm OD – 10PCS
Total: 150PCS | Net Weight: 220g | Box Dimensions: 17.5×10×2.3cm
🔧 Applicable Scope
- Automotive: Heavy-duty truck brake lines, classic car fuel systems, passenger vehicle hydraulic pipelines
- Marine: Boat engine maintenance, offshore machinery, saltwater environment fluid connections
- Industrial: Hydraulic compressor fittings, heavy machinery repairs, factory equipment maintenance
- Professional Use: Ideal for mechanics, marine technicians, and industrial maintenance teams
⭐ Customer Reviews
Ryan K. (Canada, Heavy-Duty Truck Mechanic)
“This 150PCS copper washer kit is a game-changer for our fleet repairs. The large capacity and 13 sizes mean we never run out of the right gasket, and the high-purity copper seals perfectly even on our worn brake lines. The storage box is tough enough for daily use in our workshop!”
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Lena S. (Netherlands, Marine Engineer)
“We use these copper gaskets for boat engine maintenance, and this 150PCS kit has been a lifesaver. The marine-grade corrosion resistance holds up perfectly in saltwater, and the 13 sizes cover all our engine fitting needs. The team loves how easy it is to grab the right size from the organized box.”
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Order Your 150PCS Copper Sealing Washer Kit Today!
Bulk orders for auto fleets/industrial maintenance enjoy exclusive discounts!
