S-91101A009 0.174" ID x 0.293" OD ASME B18.21.1 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 ensures fasteners remain securely locked even under dynamic loads and machinery vibrations.
- High-strength steel construction with Rockwell C38 hardness provides exceptional durability and resistance to deformation.
- Precise dimensional fit with 0.174" ID and 0.293" OD guarantees optimal performance with No. 8 screws.
- ASME B18.21.1 compliance assures consistent quality, interchangeability, and reliability in demanding applications.
- Split lock design creates continuous spring tension that compensates for loosening and maintains clamp force.
- RoHS 3 and REACH compliance meets strict environmental regulations, making it suitable for global industrial supply chains.
- Standard split lock washer profile offers easy installation and reliable performance across various assembly environments.
Professional Applications & Engineering Value
This steel split lock washer is engineered to solve critical loosening issues in vibration-prone industrial applications. Its split lock design and Rockwell C38 hardness provide a reliable spring action that maintains bolt preload, preventing back-off in machinery, automotive assemblies, and electrical enclosures using No. 8 screws. The 0.174" ID and 0.293" OD ensure a precise fit, reducing the risk of misalignment and wear. Manufactured to ASME B18.21.1 standards, it delivers consistent performance in high-stress environments, making it an essential component for maintenance and production lines where fastener integrity is non-negotiable.
Specification Summary & Compliance
This washer features an inside diameter of 0.174", outside diameter of 0.293", and thickness of 0.040", designed specifically for No. 8 screw size. It conforms to ASME B18.21.1 dimensional and mechanical specifications, ensuring precise thread engagement and reliable locking performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industrial markets.
