Description
Washer M20 DIN 125 HV 315–390 – C301389G | Part No. 80170001
The Washer M20 DIN 125 HV 315–390 (Part No. 80170001) is a heavy-duty flat washer designed for commercial trailer, suspension, axle, and chassis applications. Referenced as C301389G, this precision-manufactured washer is produced to DIN 125 standards and features a hardened HV 315–390 specification, making it suitable for use with high-strength fasteners in demanding transport environments.
Designed for M20 fasteners, this washer helps distribute clamping loads evenly across the mounting surface, reducing the risk of material deformation and improving fastening security. Its hardened construction provides excellent resistance to compression and wear, helping maintain correct bolt preload and assembly integrity under heavy loads and continuous vibration.
Manufactured from high-quality materials, this washer is ideal for use in suspension systems, axle assemblies, chassis structures, and other critical applications where durable and reliable fastening performance is required.
Key Features:
- Heavy-duty flat washer
- Part Number: 80170001
- Reference: C301389G
- Suitable for M20 fasteners
- Manufactured to DIN 125 specification
- Hardened HV 315–390 rating
- Provides effective load distribution
- Helps maintain fastening security and preload
- Resistant to compression, wear, and vibration
- Ideal for commercial trailer, axle, suspension, and chassis applications





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