S-91202A226 4.5 mm ID x 7.6 mm OD DIN 127B Split Lock Washers
Split Lock Washers
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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 assembly integrity.
- Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh industrial conditions.
- Precision-engineered to DIN 127B standards guarantees consistent quality, dimensional accuracy, and reliable performance in metric applications.
- High Rockwell C44 hardness offers exceptional durability and resistance to deformation under heavy loads.
- Optimized M4 screw compatibility with 4.5mm ID and 7.6mm OD ensures a perfect fit and effective locking action.
- Full compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industrial standards.
- Standard split lock design delivers cost-effective, reliable anti-rotation performance for a wide range of machinery and equipment.
Professional Applications & Engineering Value
This M4 split lock washer is engineered to solve critical loosening issues in high-vibration industrial settings. Its zinc-plated steel material and DIN 127B compliant design provide a robust, corrosion-resistant solution that maintains clamp load in demanding applications such as automotive assemblies, heavy machinery, and electrical enclosures. The split lock washer type creates a spring-like action that counters rotational forces, preventing back-off and reducing maintenance downtime. With a Rockwell C44 hardness, it withstands repeated stress without losing its locking effectiveness, making it an essential component for engineers seeking reliability in metric fastener systems.
Specification Summary & Compliance
This washer features precise dimensions: 4.5mm ID, 7.6mm OD, and 0.8-1.0mm thickness, tailored for M4 screw sizes. It conforms to DIN 127B specifications, ensuring dimensional accuracy and performance. The product is manufactured with zinc-plated steel and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, affirming its suitability for safe, regulated industrial use worldwide.
