S-92538A356 0.14" ID x 0.5" OD Finishing Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh environments and extending component lifespan
• Precise 100° countersink angle ensures a flush, professional finish with No. 5 screws, eliminating protrusions and improving safety
• Optimized dimensional fit with 0.14" ID and 0.5" OD provides secure seating and even load distribution for enhanced joint integrity
• Exceptional mechanical strength backed by Rockwell B83 hardness, resisting deformation under load for reliable, long-term performance
• Guaranteed material compliance with RoHS 3 and REACH regulations, ensuring safety and suitability for global industrial supply chains
• Durable inch-system design manufactured to precise tolerances, ensuring consistent performance and interchangeability in imperial-based assemblies

Professional Applications & Engineering Value

Engineered for demanding applications, these 100° countersunk washers solve critical challenges in precision assembly. The 18-8 Stainless Steel material provides excellent corrosion resistance, making them ideal for outdoor equipment, marine hardware, food processing machinery, and chemical plant fixtures where moisture and corrosive agents are present. The specific 100° countersink angle perfectly matches standard screw heads, preventing uneven stress and potential cracking in fastened materials. This design is crucial in aerospace, automotive, and electronics assemblies where a smooth, flush surface is mandatory for aerodynamic, safety, and aesthetic reasons. By ensuring a secure fit for No. 5 screws, these washers enhance vibration resistance and maintain clamp load, reducing maintenance needs and failure risks in dynamic operational environments.

Specification Summary & Compliance

This countersunk washer features an Inside Diameter (ID) of 0.14", Outside Diameter (OD) of 0.5", and a Thickness range of 0.084-0.104", designed specifically for use with No. 5 screws in the inch system. Manufactured from 18-8 Stainless Steel with a hardness of Rockwell B83, it is produced to standard industrial dimensional tolerances. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances and safe for use in various international markets.