S-91434A125 1.063" ID x 2" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with 2" outer diameter to prevent surface damage and maintain joint integrity under high stress
• Superior corrosion resistance from black protective coating extends service life in harsh industrial environments
• Guaranteed mechanical strength with Grade 8 classification and Rockwell C38 hardness for heavy-duty applications
• Precision dimensional fit with 1.063" inner diameter ensures perfect compatibility with 1" fasteners
• Reliable performance compliance meeting ASME B18.21.1 specifications for consistent quality and interchangeability
• Enhanced safety assurance through RoHS 3 and REACH compliance, eliminating hazardous substances
• Optimized thickness range (0.136-0.160") provides ideal compression characteristics and vibration resistance

Professional Applications & Engineering Value

This Grade 8 SAE flat washer delivers critical engineering solutions for heavy-duty industrial applications where failure is not an option. The black corrosion-resistant coated steel construction provides essential protection against rust and degradation in demanding environments including manufacturing equipment, structural assemblies, and outdoor machinery. With its ASME B18.21.1 compliance and Rockwell C38 hardness, this washer maintains clamping force under extreme vibration and load conditions, preventing joint loosening and component damage. The precise 1.063" ID ensures proper fitment with 1" screws, while the generous 2" OD distributes pressure effectively across softer materials. Engineered for reliability in construction, automotive, and industrial maintenance applications where corrosion resistance and mechanical strength are paramount.

Specification Summary & Compliance

This SAE flat washer features inch system dimensions with 1.063" inner diameter, 2" outer diameter, and thickness ranging 0.136-0.160" for precise engineering applications. Manufactured from Grade 8 steel with Rockwell C38 hardness and designed for use with 1" fasteners. The product strictly conforms to ASME B18.21.1 specifications for dimensional accuracy and performance standards. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safe use across global industrial markets.