S-91190A630 25.5 mm ID x 35.9 mm OD DIN 7980 Split Lock Washers for Socket Head Screws
Split Lock Washers for Socket Head Screws
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Special Type Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance prevents fastener loosening in high-stress environments, ensuring long-term joint integrity.
- Hardened Black Steel construction with Rockwell C44 hardness provides exceptional durability and resistance to wear and deformation.
- Precise M24 screw compatibility (25.5mm ID) ensures a perfect fit and optimal spring action for reliable locking force.
- Compliance with DIN 7980 standard guarantees consistent quality, dimensional accuracy, and interchangeability.
- RoHS 3 and REACH compliant materials meet strict environmental regulations, making them suitable for global industrial supply chains.
- Standard split lock design offers easy installation and effective locking performance for a wide range of applications.
- Robust dimensions (35.9mm OD, 4.8-5.2mm thickness) provide a substantial bearing surface and consistent spring tension.
Professional Applications & Engineering Value
This M24 split lock washer is engineered to solve critical loosening issues in industrial applications subject to dynamic loads and vibration. Manufactured from hardened Black Steel, it maintains its Rockwell C44 hardness under pressure, preventing fatigue and maintaining clamping force. The standard split lock design and precise metric dimensions ensure it functions as a reliable, spring-like element that compensates for settlement and thermal expansion. Ideal for machinery, automotive assemblies, and heavy equipment, this DIN 7980 compliant washer delivers predictable performance, reducing maintenance needs and preventing costly downtime due to fastener failure.
Specification Summary & Compliance
This washer conforms to DIN 7980 specifications, with an Inner Diameter of 25.5mm, Outer Diameter of 35.9mm, and Thickness of 4.8-5.2mm, ensuring precise fit for M24 screw sizes. It is manufactured from Black Steel with a hardness of Rockwell C44 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
