S-91201A037 0.906" ID x 1.75" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior load distribution with 1.75" outer diameter to prevent surface damage and maintain joint integrity under heavy loads
• Precision fit for 7/8" screws with 0.906" inner diameter ensuring secure fastening and reduced vibration loosening
• Enhanced durability from Rockwell B84 hardness steel providing excellent resistance to deformation and wear
• Consistent performance with tightly controlled 0.245-0.255" thickness for uniform pressure distribution
• Industrial-grade reliability through inch system manufacturing standards for seamless integration with existing equipment
• Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries
• Corrosion-resistant steel construction offering long service life in demanding industrial environments

Professional Applications & Engineering Value

This steel flat washer delivers critical engineering solutions for industrial applications requiring reliable load distribution and joint stability. The Rockwell B84 hardness material provides exceptional resistance to embedding and deformation, solving common issues of surface damage and fastener loosening in heavy machinery, structural steel connections, and industrial equipment assemblies. With precision inch system dimensions (0.906" ID x 1.75" OD) specifically engineered for 7/8" screw applications, this washer maintains uniform clamping force while the controlled thickness variation ensures consistent performance across production runs. The robust steel construction withstands extreme pressures in construction, manufacturing, and maintenance operations where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

Manufactured to precise inch system standards with inner diameter of 0.906", outer diameter of 1.75", and thickness tolerance of 0.245-0.255" for consistent performance. This flat washer complies with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and meets REACH (EC 1907/2006) compliance standards as of January 17, 2023. The Rockwell B84 hardness ensures mechanical properties suitable for industrial-grade applications requiring reliable load bearing and surface protection.