S-93960A104 0.218" ID x 0.5" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance from chrome plating extends service life in demanding industrial environments
• Precise dimensional fit with 0.218" ID ensures secure seating on No. 10 screws without slippage
• Optimal load distribution through 0.5" OD design prevents surface damage and maintains joint integrity
• Consistent performance guaranteed through compliance with rigorous ASME B18.21.1 engineering standards
• Environmentally responsible manufacturing with full RoHS 3 and REACH regulatory compliance
• Versatile thickness range (0.036-0.065") accommodates various assembly requirements and compression needs
• Durable steel construction provides reliable mechanical strength for repeated industrial applications

Professional Applications & Engineering Value

These SAE flat washers deliver critical engineering solutions where surface protection and load distribution are paramount. The chrome plated steel construction provides superior corrosion resistance, making these inch washers ideal for automotive assemblies, machinery maintenance, and outdoor equipment where environmental exposure is a concern. The precision 0.218" ID ensures perfect alignment with No. 10 screws, eliminating misalignment issues that can compromise fastener integrity. The 0.5" OD creates an optimal bearing surface that prevents embedment into soft materials and distributes clamping forces evenly. Engineered to ASME B18.21.1 specifications, these industrial washers maintain dimensional consistency across production runs, ensuring reliable performance in high-volume manufacturing environments and maintenance applications where fastener failure is not an option.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications including 0.218" inner diameter, 0.5" outer diameter, and thickness ranging from 0.036" to 0.065". Manufactured in compliance with ASME B18.21.1 standard for flat washers, ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance requirements and is certified REACH (EC 1907/2006) compliant as of June 14, 2023, addressing 235 Substances of Very High Concern. Designed specifically for use with No. 10 screw applications in inch measurement systems.