S-91860A042 0.109" ID x 0.281" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 17-7 PH stainless steel, ideal for harsh industrial environments.
• Exceptional durability and strength with Rockwell C40 hardness, ensuring long-lasting performance under heavy loads.
• Precise fit for No. 3 screws with 0.109" ID and 0.281" OD, providing reliable load distribution and vibration resistance.
• Consistent dimensional accuracy in inch system with 0.018-0.032" thickness, ensuring uniform pressure and secure fastening.
• Compliance with environmental regulations including RoHS 3 and REACH, making it safe for global industrial applications.
• Versatile for demanding applications due to its high-strength material and corrosion-resistant properties.

Professional Applications & Engineering Value

This 17-7 PH stainless steel flat washer is engineered to address critical challenges in industrial settings, such as corrosion, vibration loosening, and mechanical stress. Its high-strength material and Rockwell C40 hardness provide excellent fatigue resistance, making it suitable for heavy-duty fastening solutions in machinery, automotive, and aerospace industries. The precise 0.109" ID and 0.281" OD ensure optimal load distribution for No. 3 screws, reducing the risk of joint failure. With RoHS and REACH compliance, it meets stringent environmental standards, offering reliability in corrosive or regulated environments without compromising performance.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.109", outer diameter of 0.281", and thickness range of 0.018-0.032", designed specifically for No. 3 screw sizes. It meets industry standards for hardness at Rockwell C40 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.