S-91104A034 0.574" ID x 0.965" 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 prevents fastener loosening in high-stress industrial environments
- Enhanced corrosion protection through zinc yellow-chromate plating for extended service life
- Exceptional hardness rating (Rockwell C38) maintains structural integrity under heavy loads
- Precision dimensional fit with 0.574" ID and 0.965" OD ensures proper installation on 9/16" fasteners
- Heavy-duty Grade 8 performance delivers reliable performance in demanding applications
- Industry-standard compliance with ASME B18.21.1 specifications for guaranteed quality
- Environmental regulation adherence with REACH compliance for safe industrial use
Professional Applications & Engineering Value
This Grade 8 split lock washer delivers critical engineering solutions for vibration-prone applications where fastener security is paramount. The zinc yellow-chromate plated steel construction provides dual protection against corrosion and wear, while the Rockwell C38 hardness ensures the washer maintains its spring tension and locking capability under continuous stress. Ideal for heavy machinery, automotive assemblies, and structural applications, this 9/16" split lock washer prevents costly downtime by maintaining bolt preload in high-vibration environments. The split design creates constant upward pressure on the fastener, effectively countering rotational forces that cause conventional fasteners to loosen over time.
Specification Summary & Compliance
This standard split lock washer features precise dimensions (ID: 0.574", OD: 0.965", Thickness: 0.141") engineered for 9/16" screw applications. Manufactured to ASME B18.21.1 specifications with Grade 8 strength classification and Rockwell C38 hardness rating. The product is fully REACH compliant (EC 1907/2006) as of 06/14/2023, containing no substances of very high concern among the 235 SVHC listed materials, ensuring environmental responsibility and workplace safety compliance.
