400PCS Copper Sealing Washer Assortment Kit, High-Volume Red Copper Flat Gasket Set for Automotive Repair Shops, Industrial Workshops & Bulk Maintenance
400PCS high-volume copper sealing washer assortment kit, featuring 9 most frequently used sizes for automotive repair shops, industrial maintenance teams, and bulk fleet servicing. Made from 99.9% pure red copper, these long-lasting gaskets deliver exceptional ductility, heat resistance, and corrosion protection, ensuring a tight, leak-proof seal even on heavily worn surfaces. The compact, stackable storage box with labeled compartments keeps sizes organized, making it ideal for high-throughput workshops and mobile mechanics.
Description
400PCS Copper Sealing Washer Assortment Kit, High-Volume Red Copper Flat Gasket Set for Automotive Repair Shops, Industrial Workshops & Bulk Maintenance
Auto Parts & Industrial Hardware Dual Category | 9 Frequent-Use Sizes for High-Throughput Needs
🔍 Product Description
Our 400PCS copper sealing washer assortment kit is built for high-throughput environments, delivering unmatched value for automotive repair shops, industrial maintenance teams, and bulk fleet servicing. This high-volume set includes 9 of the most frequently used sizes of 99.9% pure red copper gaskets, optimized for heavy-wear scenarios such as brake line repairs, hydraulic system maintenance, and engine overhauls. The long-lasting 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 corrosion.
The kit comes in a compact, stackable storage box with labeled compartments, ensuring quick size identification and easy organization. Whether you’re running a busy repair shop, maintaining a large industrial fleet, or working as a mobile mechanic, this 400PCS kit ensures you never run out of the right size washer, reducing downtime and boosting productivity.
✨ Key Features
- 400PCS High-Volume Capacity – 9 frequent-use sizes (5mm ID×9mm OD to 14mm ID×18mm OD) for high-throughput sealing tasks
- 99.9% High-Purity Red Copper – Long-lasting material with superior ductility and corrosion resistance for heavy-wear scenarios
- Heat & Pressure Resistant – Withstands temperatures up to 500°C and high pressure, ideal for continuous use
- Compact Stackable Storage – Space-saving box design with labeled compartments for quick size access
- Multi-Scenario Application – Suitable for automotive repair shops, industrial workshops, and bulk fleet servicing
- Crush-to-Seal Design – Conforms to heavily worn surfaces to create a tight, leak-proof seal every time
📊 What’s Included (Size & Quantity)
1. 5mm ID × 9mm OD – 60PCS
2. 6mm ID × 10mm OD – 60PCS
3. 6mm ID × 12mm OD – 40PCS
4. 8mm ID × 12mm OD – 40PCS
5. 10mm ID × 14mm OD – 40PCS
6. 8mm ID × 14mm OD – 40PCS
7. 12mm ID × 16mm OD – 40PCS
8. 14mm ID × 18mm OD – 40PCS
9. 12mm ID × 18mm OD – 40PCS
Total: 400PCS | Net Weight: 573g | Box Dimensions: 12.8×6.5×2.3cm
🔧 Key Differences from Other Kits
1. Capacity & Density – The 400PCS kit offers the highest volume and density in the range, specifically designed for high-throughput environments where frequent gasket replacement is required.
2. Size Strategy – Focuses on 9 most frequently used sizes, eliminating redundant sizes and maximizing practical efficiency for daily repairs.
3. Storage Design – Compact, stackable box with labeled compartments, perfect for busy workshops and mobile mechanics who need to save space and time.
4. Application Focus – Primarily targets professional repair shops, industrial maintenance teams, and bulk fleet operators, rather than occasional DIY users.
🔧 Application Scope
- Automotive Repair Shops: Daily brake line repairs, fuel system overhauls, hydraulic maintenance for passenger vehicles and trucks
- Industrial Workshops: High-volume hydraulic compressor servicing, factory equipment maintenance, mechanical component repairs
- Bulk Fleet Servicing: Commercial truck fleet maintenance, logistics vehicle repairs, delivery van hydraulic line checks
- Professional Use: Ideal for workshop managers, fleet supervisors, and mobile mechanics
⭐ Customer Reviews
Carlos M. (USA, Auto Repair Shop Owner)
“This 400PCS copper washer kit is a game-changer for our busy shop. The high volume means we never run out of the sizes we use most, and the labeled storage box keeps our technicians efficient. The copper quality is top-notch—no more leaks after repairs!”
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Emma T. (UK, Industrial Maintenance Supervisor)
“We go through copper washers quickly in our factory, and this 400PCS kit has been a lifesaver. The compact stackable box fits perfectly in our tool room, and the 9 frequent sizes cover all our hydraulic maintenance needs. Highly recommended for high-throughput environments!”
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Order Your 400PCS Copper Sealing Washer Kit Today!
Bulk orders for repair shops and industrial fleets enjoy exclusive discounts!
