S-91083A033 0.531" ID x 1.062" 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
- Precise dimensional fit with 0.531" ID and 1.062" OD ensures secure seating and even load distribution for 1/2" screws, reducing loosening risks
- Durable steel construction provides reliable corrosion resistance and mechanical strength for demanding industrial environments
- ASME B18.21.1 compliance guarantees consistent quality and interchangeability across standard inch-system applications
- RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance in global markets
- Optimized thickness range (0.074-0.121") maintains proper clamp load while accommodating surface variations
- SAE standard designation provides engineering confidence in performance and dimensional accuracy
Professional Applications & Engineering Value
This SAE flat washer delivers critical engineering value through its steel material and precision inch system dimensions. The 0.531" ID provides exact clearance for 1/2" screw size applications, preventing thread damage while the 1.062" OD distributes clamping force effectively across mating surfaces. This combination solves common industrial challenges including surface marring, bolt loosening from vibration, and uneven bearing pressure. Manufactured to ASME B18.21.1 standards, these flat washers ensure reliable performance in machinery assembly, structural steel connections, and heavy equipment maintenance where consistent dimensional accuracy is paramount for safety and longevity.
Specification Summary & Compliance
This washer meets ASME B18.21.1 dimensional specifications with precise inch-system measurements: 0.531" ID, 1.062" OD, and thickness range of 0.074-0.121". 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 applications worldwide. Manufactured from steel with standard inch system tolerances, these washers provide reliable performance in mechanical assemblies requiring 1/2" screw size compatibility.
