S-92538A509 0.188" ID x 0.75" OD Finishing Washers

Key Features & Benefits at a Glance

• Flush surface integration with a 100° countersink angle for seamless mounting in industrial assemblies, reducing snag risks and improving aesthetics.
• Superior corrosion resistance from 18-8 stainless steel construction, ensuring long-term reliability in harsh or humid environments.
• Optimized load distribution with a 0.75" outer diameter and 0.188" inner diameter, providing stable support for No. 8 screws under heavy-duty stress.
• Enhanced durability backed by Rockwell B83 hardness, resisting deformation and wear in high-vibration applications.
• Precision dimensional control with a thickness range of 0.115-0.135", ensuring consistent fit and ease of installation in inch-based systems.
• Environmental and regulatory safety through full RoHS 3 and REACH compliance, meeting global standards for hazardous substance restrictions.
• Broad industrial compatibility for machinery, automotive, and construction uses where reliable flush fastening is critical.

Professional Applications & Engineering Value

Engineered for demanding flush mount applications, these 100° countersunk washers in 18-8 stainless steel solve common issues like protrusion-induced damage and misalignment in precision assemblies. The countersink angle ensures a smooth, flat surface finish, ideal for automotive panels, machinery housings, and structural frameworks where aerodynamic or safety clearances are vital. With excellent corrosion resistance and Rockwell B83 hardness, they withstand repetitive stress and environmental exposure, reducing maintenance needs. The inch-based sizing, including the 0.188" ID and 0.75" OD, guarantees exact compatibility with No. 8 screws, streamlining installation in OEM and MRO settings while enhancing load-bearing capacity for long-term performance.

Specification Summary & Compliance

This washer adheres to inch system standards with precise dimensions: inner diameter of 0.188", outer diameter of 0.75", and thickness ranging from 0.115" to 0.135". It is manufactured for use with No. 8 screw sizes and features a 100° countersink angle. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from restricted substances and safe for industrial and international applications.