S-93762A400 0.447" ID x 0.812" OD Reinforcing Sleeve Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating for longer service life in harsh industrial environments
• Superior load distribution through optimized sleeve design (0.57" OD, 0.29" height) to prevent surface damage and fastener loosening
• Exceptional durability with Rockwell C35 hardness rating for reliable performance under heavy mechanical stress
• Precise dimensional accuracy with 0.447" ID ensuring perfect fit for 7/16" screws in critical assemblies
• Optimal spacing and alignment with 0.120" thickness maintaining consistent gap control in bolted connections
• Reduced maintenance requirements through robust steel construction that withstands repeated assembly cycles
• Improved assembly efficiency with inch system compatibility for seamless integration into standard industrial equipment

Professional Applications & Engineering Value

This black-oxide steel sleeve washer delivers exceptional engineering value in demanding industrial applications where vibration resistance and load distribution are critical. The precision-engineered sleeve design with 0.57" outer diameter and 0.29" height creates an extended bearing surface that effectively distributes clamping forces, preventing surface indentation and maintaining joint integrity in heavy machinery, structural steel connections, and automotive assemblies. The black-oxide surface treatment provides reliable corrosion protection while maintaining dimensional stability, making these industrial washers ideal for outdoor equipment, manufacturing fixtures, and construction applications where environmental exposure is a concern. The hardened steel construction with Rockwell C35 rating ensures consistent performance in high-stress bolted connections, reducing the risk of fastener failure and extending maintenance intervals.

Specification Summary & Compliance

Manufactured to precise inch system specifications with 0.447" inner diameter, 0.812" outer diameter, and 0.120" thickness for 7/16" screw applications. The sleeve washer features dimensional compliance with standard industrial tolerances and is produced using quality-controlled manufacturing processes. The black-oxide steel material meets industry standards for corrosion resistance and mechanical properties, while the construction adheres to relevant material specifications for industrial fastening applications requiring reliable performance and durability.