280PCS Copper Sealing Washer Assortment Kit, Complete Red Copper Flat Gasket Set for Heavy-Duty Automotive, Marine & Industrial Sealing
280PCS all-inclusive copper sealing washer assortment kit, featuring 12 comprehensive sizes for heavy-duty automotive brake systems, marine engine overhauls, and industrial hydraulic maintenance. Made from 99.9% pure red copper, these premium gaskets deliver exceptional ductility, heat resistance, and saltwater corrosion protection, ensuring a tight, leak-proof seal even on extreme-wear surfaces. The large, reinforced storage box with labeled compartments keeps sizes organized, making it ideal for fleet managers, marine technicians, and industrial maintenance teams.
Description
280PCS Copper Sealing Washer Assortment Kit, Complete Red Copper Flat Gasket Set for Heavy-Duty Automotive, Marine & Industrial Sealing
Auto Parts & Industrial Hardware Dual Category | 12 Comprehensive Sizes for Extreme-Wear Scenarios
🔍 Product Description
Our 280PCS copper sealing washer assortment kit is the ultimate all-in-one solution for heavy-duty sealing tasks. This comprehensive set includes 12 sizes of 99.9% pure red copper gaskets, engineered to cover extreme-wear scenarios such as truck fleet brake overhauls, boat engine maintenance, and industrial hydraulic system repairs. The premium copper material offers exceptional ductility, allowing it to crush evenly and fill imperfections in heavily worn surfaces—creating a tight, leak-proof seal that resists heat, vibration, and saltwater corrosion.
The kit comes in a large, reinforced storage box with labeled compartments, ensuring each size is easily identifiable and accessible. Whether you’re a fleet manager maintaining a truck fleet, a marine technician servicing boat engines, or an industrial engineer repairing hydraulic equipment, this 280PCS kit ensures you always have the right size copper washer on hand, reducing downtime and boosting efficiency.
✨ Key Features
- 280PCS All-Inclusive Kit – 12 comprehensive sizes (5mm ID×9mm OD to 20mm ID×26mm OD) for extreme-wear sealing tasks
- 99.9% High-Purity Red Copper – Premium material with superior ductility and corrosion resistance for heavy-duty use
- 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
- Reinforced Labeled Storage – Large, durable box with labeled compartments for quick size identification
- Triple Application Scope – Suitable for heavy-duty automotive, marine, and industrial sealing needs
- Crush-to-Seal Design – Conforms to extreme-wear surfaces to create a tight, leak-proof seal every time
📊 What’s Included (Size & Quantity)
1. 5mm ID × 9mm OD – 30PCS
2. 6mm ID × 10mm OD – 30PCS
3. 6mm ID × 12mm OD – 20PCS
4. 8mm ID × 12mm OD – 30PCS
5. 10mm ID × 14mm OD – 30PCS
6. 8mm ID × 14mm OD – 20PCS
7. 12mm ID × 16mm OD – 25PCS
8. 14mm ID × 18mm OD – 25PCS
9. 12mm ID × 18mm OD – 20PCS
10. 16mm ID × 20mm OD – 20PCS
11. 16mm ID × 22mm OD – 15PCS
12. 20mm ID × 26mm OD – 15PCS
Total: 280PCS | Net Weight: 307g | Box Dimensions: 17.5×10×2.3cm
🔧 Applicable Scope
- Automotive: Heavy-duty truck fleet brake overhauls, construction vehicle hydraulic line maintenance, commercial bus fuel system repairs
- Marine: Boat engine full overhauls, offshore machinery maintenance, saltwater environment fluid connections
- Industrial: Large-scale hydraulic compressor servicing, heavy machinery repairs, factory equipment routine maintenance
- Professional Use: Ideal for fleet managers, marine technicians, and industrial maintenance teams
⭐ Customer Reviews
Mark D. (USA, Fleet Manager)
“This 280PCS copper washer kit is a game-changer for our truck fleet. The 12 sizes cover every seal we need, and the high-purity copper holds up perfectly in our heavy-duty brake systems. The labeled storage box keeps our workshop organized—no more hunting for the right size!”
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Sven O. (Norway, Marine Technician)
“We use these copper gaskets for boat engine overhauls, and this 280PCS kit has been a lifesaver. The marine-grade corrosion resistance holds up perfectly in saltwater, and the 12 sizes cover all our engine fitting needs. The reinforced box is tough enough for our shipyard environment!”
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Order Your 280PCS Copper Sealing Washer Kit Today!
Bulk orders for auto fleets/industrial maintenance enjoy exclusive discounts!
