S-91083A013 0.25" ID x 0.562" OD ASME B18.21.1 SAE Washers
SAE 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
- Optimal load distribution prevents surface damage and extends component life by evenly spreading pressure
- Enhanced vibration resistance maintains fastener integrity in high-stress industrial environments
- Precision dimensional accuracy with 0.25" ID and 0.562" OD ensures perfect fit for No. 12 screws
- Durable steel construction provides reliable mechanical strength and corrosion resistance
- ASME B18.21.1 compliance guarantees consistent quality and interchangeability across applications
- RoHS 3 & REACH compliance ensures environmental safety and regulatory acceptance
- Versatile industrial compatibility suitable for various machinery, equipment, and assembly applications
Professional Applications & Engineering Value
These SAE flat washers deliver critical engineering solutions for industrial applications requiring precise load distribution and vibration resistance. The steel construction provides exceptional durability under mechanical stress, while the precise 0.25" inner diameter ensures perfect compatibility with No. 12 screws in assembly operations. The ASME B18.21.1 compliance guarantees dimensional consistency across multiple installations, reducing installation errors and maintenance requirements. These flat washers effectively prevent fastener loosening, surface marring, and material deformation in automotive, machinery, and equipment manufacturing applications where reliable load bearing and vibration damping are essential for operational safety and longevity.
Specification Summary & Compliance
This SAE flat washer features precise dimensional specifications with 0.25" inner diameter, 0.562" outer diameter, and thickness ranging from 0.051" to 0.080". Manufactured to ASME B18.21.1 standards for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use worldwide.
