S-91860A046 0.174" ID x 0.375" OD General Purpose Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 17-7 PH stainless steel, ideal for harsh industrial environments and extending component lifespan.
• Superior strength and durability with Rockwell C40 hardness, ensuring reliable performance under high stress and repeated loads.
• Precise fit for No. 8 screws with a 0.174" inner diameter, providing secure fastening and reducing installation errors.
• Optimal load distribution due to the 0.375" outer diameter, minimizing surface damage and preventing loosening in assemblies.
• Consistent thickness control ranging from 0.024" to 0.038", ensuring uniform clamping force and vibration resistance.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safety for restricted substances and global market access.
• Long-term reliability in inch-system applications, designed for seamless integration with standard industrial equipment and maintenance.

Professional Applications & Engineering Value

This 17-7 PH stainless steel flat washer is engineered to address critical challenges in demanding sectors like aerospace, chemical processing, and heavy machinery. Its high-strength material and Rockwell C40 hardness prevent deformation under extreme loads, while the corrosion-resistant properties combat degradation from moisture, chemicals, and temperature fluctuations. The precise No. 8 screw size compatibility and controlled thickness range (0.024-0.038") ensure even pressure distribution, reducing the risk of joint failure and maintenance downtime. Ideal for industrial washers applications requiring inch system precision, it enhances assembly integrity in heavy-duty environments where reliability is non-negotiable.

Specification Summary & Compliance

This flat washer adheres to inch measurement standards with an ID of 0.174", OD of 0.375", and thickness range of 0.024-0.038" for No. 8 screws. It meets industry specifications for dimensional accuracy and is manufactured from 17-7 PH stainless steel with a hardness of Rockwell C40. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global engineering projects.