S-91083A029 0.281" ID x 0.625" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Precise dimensional fit with 0.281" ID and 0.625" OD ensures secure seating for 1/4" screws, preventing assembly misalignment
• Durable steel construction provides reliable load distribution and surface protection in demanding industrial environments
• Standardized SAE designation guarantees interchangeability and compatibility with existing inch-system components
• Optimized thickness range (0.051-0.080") offers flexibility while maintaining consistent pressure distribution
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance
• ASME B18.21.1 certification validates manufacturing precision and mechanical performance for critical applications
• Corrosion-resistant properties of steel material extend service life and reduce maintenance requirements

Professional Applications & Engineering Value

These SAE flat washers deliver critical engineering solutions where precise load distribution and surface protection are paramount. Manufactured from high-grade steel with exacting dimensional tolerances, they effectively prevent fastener loosening from vibration and reduce stress concentration on assembled components. The 0.281" ID provides snug fitment to 1/4" screws while the 0.625" OD creates optimal bearing surface area. Ideal for machinery assembly, automotive applications, and industrial equipment maintenance, these inch system washers solve common challenges of joint integrity and material deformation under load. Their standardized ASME B18.21.1 compliance ensures consistent performance across manufacturing and repair operations.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications: 0.281" inner diameter, 0.625" outer diameter, and thickness ranging 0.051-0.080". Manufactured to ASME B18.21.1 standard for dimensional accuracy and mechanical properties. The product maintains full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety. Designed specifically for use with 1/4" screws in inch-system applications, these washers meet industrial requirements for quality and reliability.