High Performance KFC Copper Fiber Crush Washers China Factory Suppliers

Premium KFC Copper Fiber crush washers from a leading China factory. High-pressure sealing rings according to DIN 7603, resistant up to 300°C and 200 bar. Contact top China suppliers for automotive and industrial fluid sealing solutions.

SupplierJULU YJM HWMF SEAL CO.,LTD.www.yjmseal.com

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About this product

Product information from the supplier.

Our high-performance KFC Copper Crush Washers are engineered specifically for critical sealing applications in the automotive and industrial sectors. Combining the superior malleability of copper with the structural reinforcement of fiber, these washers provide an airtight and leak-proof seal that withstands extreme pressure and thermal cycling, ensuring maximum reliability for oil drain plugs and fluid connections.

Designed to meet rigorous engineering standards, the KFC series offers a comprehensive range of dimensions from 6mm to 50mm internal diameters. By utilizing a Copper + Fiber composite material, these crush washers deliver an optimized deformation profile during installation, filling every microscopic irregularity in the mating surface to prevent hazardous leaks and maintain system integrity.

Detailed Parameters

Material Composition	Copper + Fiber Composite	Common ID Range	6mm to 50mm
Common OD Range	10mm to 57mm	Thickness Range	1.5mm to 2.5mm
Application	Oil Drain Plugs / Fluid Sealing	Standard Compliance	Industrial Grade
Seal Type	Crush Washer / Gasket	Pressure Resistance	High Compression
Compatibility	Automotive & Marine Engines	Reference IDs	HWKFC Series

Key Advantages

Superior Sealing

The Copper + Fiber blend ensures a perfect seal by conforming to surface imperfections under torque.

Extended Durability

Resistant to high temperatures and chemical degradation common in automotive oil systems.

Precision Engineering

Strictly controlled ID/OD tolerances ensure a snug fit and eliminate vibration-induced leaks.

Versatile Sizing

Wide availability of sizes, including fractional inch equivalents for global compatibility.

Easy Installation

Designed for seamless replacement during routine maintenance and oil change services.

OEM Quality

Manufactured to meet or exceed original equipment specifications for professional repair kits.

Product Gallery

Management Platforms

Inventory Tracking

Real-time stock monitoring for all HWKFC washer sizes to ensure rapid dispatch.

Quality Control

Automated dimensional inspections to guarantee 100% accuracy of ID/OD parameters.

Order Notification

Instant updates on production status and shipping milestones for wholesale orders.

Logistics Sync

Integration with global freight partners for optimized delivery of rubber and plastic seals.

SKU Management

Standardized categorization for easy searching across automotive repair kit components.

Custom Specification

Flexible platform for submitting bespoke dimensions for non-standard rubber gaskets.

Investment Return Comparison

Metric	Standard Washers	KFC Premium Washers
Leak Prevention Rate	Moderate	Ultra-High (99.9%)
Installation Life	Short-term	Long-term Stability
Material Fatigue	High	Low (Fiber Reinforced)
Maintenance Cost	Frequent Replacement	Reduced Downtime
Sealing Reliability	Basic	Industrial Grade

Frequently Asked Questions

Q: What is the main benefit of Copper + Fiber material over pure copper?

The addition of fiber provides structural stability and prevents the washer from over-compressing, while the copper ensures the necessary malleability to create a gas-tight and liquid-tight seal.

Q: Can these washers be reused after a drain plug is removed?

As "crush washers," they are designed to deform permanently to seal the gap. For maximum safety and leak prevention, it is highly recommended to replace them with a new KFC washer during every oil change.

Q: Are KFC washers compatible with both metric and imperial sizes?

Yes, our product line includes specific equivalents for imperial sizes (e.g., 1/8", 1/4", 7/8", 1 1/2") alongside standard metric dimensions to serve a global market.

Q: In which automotive repair kits are these typically used?

They are essential components in oil pan gasket kits, oil drain plug repair kits, and various heavy-duty automotive seal assemblies.

Q: How do these washers perform under high-temperature conditions?

The high thermal conductivity of copper combined with the heat resistance of the fiber composite allows these washers to maintain their seal even under extreme engine operating temperatures.

Q: Do you provide bulk wholesale options for these seals?

Yes, we specialize in large-scale supply for the rubber and plastics industry, providing competitive pricing for bulk orders of all HWKFC series washers.