S-94744A118 0.068" ID x 0.25" OD ASME B18.21.1 ASME Washers
ASME Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion protection with zinc plating that extends service life in demanding industrial environments
- Enhanced load distribution from precise 0.25" OD design that prevents surface damage and maintains joint integrity
- Consistent performance with Rockwell B40 hardness ensuring reliable hardness and deformation resistance
- Guaranteed interchangeability through strict adherence to ASME B18.21.1 dimensional standards
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global supply chain compatibility
- Optimized for No. 0 screws with 0.068" ID providing secure fit and vibration resistance in precision assemblies
- Durable steel construction offering excellent strength-to-weight ratio for long-term fastening reliability
Professional Applications & Engineering Value
Engineered for precision fastening systems, these zinc-plated steel flat washers deliver critical protection against corrosion and galvanic reactions in electrical enclosures, machinery assemblies, and outdoor equipment. The ASME B18.21.1 compliance ensures perfect compatibility with No. 0 screw sizes, while the controlled thickness (0.022-0.028") maintains consistent clamping force distribution. The Rockwell B40 hardness provides optimal resistance to embedding and surface deformation, solving common issues of loose connections in vibration-prone applications. These industrial washers serve as essential components in automotive, electronics, and mechanical systems where reliable corrosion resistance and dimensional accuracy are paramount for maintenance-free operation.
Specification Summary & Compliance
This flat washer features inch system dimensions with 0.068" ID, 0.25" OD, and thickness range of 0.022-0.028". Manufactured to ASME B18.21.1 specifications for guaranteed dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as steel alloying element and fully REACH (EC 1907/2006) compliant per January 2023 SVHC list. The zinc-plated steel construction ensures consistent quality and regulatory compliance for industrial fastening applications.
