S-93012A115 0.531" ID x 1.062" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from hot-dipped galvanized steel coating, ideal for harsh industrial environments and outdoor applications
• Superior load distribution with precise 0.531" ID and 1.062" OD dimensions, preventing surface damage and maintaining joint integrity
• Consistent mechanical performance with Rockwell B72 hardness rating, ensuring reliable performance under repeated stress
• Industry-standard compliance with ASME B18.21.1 specifications, guaranteeing dimensional accuracy and interchangeability
• Environmental responsibility with RoHS 3 compliance, meeting strict international regulations for hazardous substances
• Optimized thickness range (0.074-0.121") provides perfect compression characteristics for 1/2" screw applications
• Long-term cost efficiency through durable galvanized coating that reduces maintenance and replacement frequency

Professional Applications & Engineering Value

This SAE flat washer delivers critical engineering solutions for industrial applications where corrosion resistance and dimensional precision are paramount. The hot-dipped galvanized steel construction provides superior protection against rust and environmental degradation, making it ideal for outdoor equipment, marine applications, and chemical processing facilities. With its ASME B18.21.1 compliance, this washer ensures perfect fitment for 1/2" screw assemblies in structural steel connections, heavy machinery, and automotive applications. The controlled thickness variation (0.074-0.121") accommodates different compression requirements while maintaining uniform load distribution. Engineers specify this flat washer for applications requiring reliable performance in demanding conditions, where failure due to corrosion or improper load spreading could compromise entire assemblies.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications including 0.531" ID, 1.062" OD, and thickness range of 0.074-0.121" designed specifically for 1/2" screw applications. Manufactured to ASME B18.21.1 standards, ensuring consistent quality and dimensional accuracy across production batches. The washer demonstrates Rockwell B72 hardness for optimal mechanical performance and meets RoHS 3 (2015/863/EU) compliance requirements for environmental safety. The hot-dipped galvanized steel material provides superior corrosion protection while maintaining the structural integrity required for industrial-grade applications in the inch measurement system.