S-92908A195 0.156" ID x 0.562" OD Finishing Washers

Key Features & Benefits at a Glance

• Precision flush mounting with an 82° countersink angle ensures screw heads sit perfectly flat, eliminating protrusions and improving safety in tight spaces.
• Superior corrosion resistance from the Black-Oxide Steel surface treatment extends service life in humid or demanding industrial environments.
• Enhanced durability and load distribution due to Rockwell 15N80 hardness, reducing wear and preventing surface damage under fastener loads.
• Reliable dimensional accuracy with a 0.156" ID and 0.562" OD, providing a secure fit for No. 6 screws and consistent performance in assembly lines.
• Compliance with global safety standards, including RoHS 3 and REACH, ensures safe use in regulated industries without hazardous substances.
• Optimized for industrial efficiency with inch system measurements, simplifying procurement and integration into existing machinery and designs.

Professional Applications & Engineering Value

This 82° countersunk washer is engineered to address common challenges in precision assembly, such as uneven surfaces and corrosion-induced failures. Made from Black-Oxide Steel, it provides a robust barrier against moisture and chemicals, ideal for automotive, aerospace, and machinery sectors where flush mounting is critical for aerodynamic or safety reasons. The precise countersink angle and Rockwell 15N80 hardness ensure reliable performance under vibration and load, reducing maintenance needs. By integrating seamlessly with No. 6 screws, it streamlines installation in tight tolerances, enhancing overall structural integrity and longevity in industrial applications.

Specification Summary & Compliance

This washer adheres to standard inch measurements with an ID of 0.156", OD of 0.562", and thickness range of 0.097-0.117", ensuring compatibility with No. 6 screw sizes. It meets industry specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) under exemption 6(a) for lead in steel, as well as REACH (EC 1907/2006) for hazardous substance control, supporting safe and sustainable industrial use.