S-93711A900 0.641" ID x 0.917" OD ASME B18.21.1 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 industrial environments
- Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in harsh conditions
- Black-oxide surface treatment provides enhanced durability and reduced light reflection
- Rockwell C35 hardness rating maintains structural integrity under heavy loads
- Precision-engineered dimensions (0.641" ID, 0.917" OD, 0.203" thickness) ensure perfect fit for 5/8" fasteners
- ASME B18.21.1 compliance guarantees consistent quality and performance standards
- RoHS 3 and REACH compliance meets international environmental and safety regulations
Professional Applications & Engineering Value
This heavy-duty 5/8" split lock washer delivers exceptional engineering value in demanding applications where vibration-induced fastener failure is a critical concern. The black-oxide 18-8 stainless steel construction provides superior corrosion resistance, making it ideal for outdoor equipment, marine applications, and chemical processing environments. The split lock design creates continuous spring tension that compensates for thermal expansion and mechanical stress, effectively preventing back-off in machinery, automotive assemblies, and structural frameworks. With its Rockwell C35 hardness and precise dimensional tolerances, this vibration-resistant washer maintains clamping force integrity while the ASME B18.21.1 specification ensures reliable performance in critical industrial fastening systems.
Specification Summary & Compliance
This standard split lock washer features precise inch system dimensions with 0.641" inner diameter, 0.917" outer diameter, and 0.203" thickness, engineered for 5/8" screw applications. Manufactured to ASME B18.21.1 specifications with Rockwell C35 hardness, the component maintains dimensional accuracy and mechanical properties required for industrial use. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance in global markets.
