S-91717A172 0.531" ID x 1.75" OD Clipped Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in harsh environments
• Secure fastening performance with 0.531" ID ensuring precise fit for 1/2" screws and preventing loosening
• Superior load distribution from 1.75" OD design that minimizes surface pressure and material deformation
• Exceptional durability with Rockwell B40 hardness rating that withstands heavy-duty mechanical stresses
• Easy installation and alignment thanks to the 1.485" clipped width design that simplifies positioning
• Reliable thickness consistency between 0.084-0.097" for uniform clamping force in assembly applications
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements

Professional Applications & Engineering Value

This zinc-plated steel clipped washer delivers critical engineering solutions for industrial applications where corrosion resistance and mechanical reliability are paramount. The clipped design enables rapid installation in high-volume assembly operations while maintaining precise alignment with mating components. Engineered with Rockwell B40 hardness, this heavy-duty washer effectively distributes clamping forces across a wide surface area (1.75" OD), preventing joint failure in vibration-prone environments. The zinc plating provides sacrificial protection against oxidation, making these inch system washers ideal for outdoor equipment, machinery frames, and structural assemblies exposed to moisture or chemical agents. The combination of dimensional precision and robust material properties ensures consistent performance in demanding automotive, construction, and manufacturing applications.

Specification Summary & Compliance

This precision clipped washer features inch system dimensions with 0.531" inner diameter, 1.75" outer diameter, and thickness ranging 0.084-0.097" for consistent fit with 1/2" fasteners. Manufactured to exacting standards with Rockwell B40 hardness for mechanical reliability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets.