S-97093A134 20.2 mm ID x 33.6 mm OD DIN 128A 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 through curved split design that maintains constant spring tension against fasteners
- Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh environments
- Reliable locking performance with Rockwell C44 hardness ensuring consistent spring action under heavy loads
- Precise dimensional compatibility with 20.2mm ID and 33.6mm OD engineered for perfect M20 screw fitment
- Standardized quality assurance through DIN 128A compliance for consistent performance across applications
- Environmental compliance meeting RoHS 3 and REACH standards for global manufacturing requirements
- Optimized height-to-thickness ratio (5.1mm overall height, 3.0mm thickness) for effective locking without bulk
Professional Applications & Engineering Value
This M20 split lock washer delivers critical vibration resistance in demanding industrial applications where fastener loosening can compromise safety and operational integrity. The zinc-plated steel construction provides essential corrosion protection for machinery exposed to moisture, chemicals, or outdoor elements. The curved split design creates continuous spring tension that counters vibrational forces in heavy equipment, automotive assemblies, and structural frameworks. Engineered to DIN 128A specifications, this metric washer ensures precise dimensional accuracy for reliable performance in M20 fastener systems. The combination of Rockwell C44 hardness and optimized geometry maintains locking effectiveness through repeated stress cycles, making it ideal for maintenance-critical applications where disassembly frequency is a consideration.
Specification Summary & Compliance
This split lock washer features precise metric dimensions with 20.2mm inner diameter, 33.6mm outer diameter, and 3.0mm thickness. Manufactured to DIN 128A standards with curved split configuration and Rockwell C44 hardness rating. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict chemical substance control.
