S-91434A124 0.938" ID x 1.75" OD ASME B18.21.1 SAE Washers
SAE Washers
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional load distribution with 1.75" outer diameter to prevent surface damage and maintain joint integrity under high stress
- Superior corrosion resistance thanks to black protective coating, extending service life in harsh industrial environments
- High-strength Grade 8 performance with Rockwell C38 hardness for reliable performance in heavy-duty applications
- Precise 7/8" inner diameter fit ensures secure seating on 7/8" fasteners without slippage or misalignment
- Consistent thickness control (0.136-0.152") provides uniform pressure distribution and vibration resistance
- Industry-standard compliance with ASME B18.21.1 specifications for guaranteed dimensional accuracy and interchangeability
- Environmental regulation adherence through RoHS 3 and REACH compliance for safe global sourcing and usage
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Grade 8 SAE flat washers deliver critical performance where vibration, heavy loads, and environmental exposure challenge fastener integrity. The black corrosion-resistant coated steel construction combats rust and chemical degradation in manufacturing, construction, and machinery assembly. With precise 7/8" ID sizing and robust 1.75" OD, they effectively distribute clamping force in heavy-duty bolted connections, preventing joint loosening and surface indentation. The combination of Rockwell C38 hardness and inch system measurements ensures reliable performance in North American industrial equipment, automotive systems, and structural applications where consistent washer performance is non-negotiable.
Specification Summary & Compliance
This flat washer meets ASME B18.21.1 dimensional standards with precise inner diameter (0.938"), outer diameter (1.75"), and thickness (0.136-0.152") tolerances. Manufactured from black corrosion-resistant coated steel with Rockwell C38 hardness and Grade 8 strength classification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
