Overview
The DIN25201 Double Lock Washer is engineered to provide a permanent, vibration-proof lock for critical bolted assemblies. Manufactured from high-strength carbon steel and finished with a protective zinc-aluminum coating, this washer is built to withstand demanding industrial environments where joint integrity is paramount. Its standardized design ensures compatibility and reliable performance in a wide range of fastening applications.
Key Features
Permanent locking action with a double-lobed, self-locking design High material hardness rated at a minimum of 465HV1 for superior strength Zinc-aluminum coating offers enhanced corrosion resistance compared to standard zinc finishes Standardized NL-5 bore diameter for precise fit and consistent installation Uniform thickness of 0.039 inches ensures predictable clamping force and joint stability
Specifications
Standard: DIN 25201
Material
Carbon Steel Material Hardness: ≥465HV1 Finish: Zinc-Aluminum Coating Bore Diameter: NL-5 Thickness: 0.039 inches Package Quantity: 80 washers
Applications
Preventing loosening in vibrating machinery and equipment Securing fasteners in automotive and transportation assemblies Maintaining torque in heavy-duty construction and agricultural equipment Use in electrical enclosures and utility infrastructure General industrial maintenance and repair operations
