S-90313A204 0.265" ID x 0.562" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel composition, ideal for harsh or humid environments
• Precise dimensional fit with 0.265" ID and 0.562" OD, ensuring reliable load distribution for 1/4" screws
• Excellent material durability offering long service life and reduced replacement frequency
• Environmental compliance with RoHS 3 and REACH standards, safe for regulated industrial applications
• Consistent thickness control between 0.056-0.070", providing uniform clamping force
• Broad industrial compatibility for machinery, equipment assembly, and structural fastening needs

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer delivers critical engineering value by preventing fastener loosening and surface damage under vibration or load. Its corrosion-resistant properties make it suitable for outdoor equipment, food processing machinery, and marine applications where moisture exposure is common. The precise 0.265" inner diameter ensures perfect alignment with 1/4" screws, while the 0.562" outer diameter provides optimal bearing surface to distribute clamping force effectively. These flat washers solve common industrial challenges including galvanic corrosion, joint failure, and material degradation, making them essential components in mechanical assemblies requiring reliable, long-term performance.

Specification Summary & Compliance

Manufactured to inch system standards with inner diameter of 0.265", outer diameter of 0.562", and thickness range of 0.056-0.070". Designed specifically for use with 1/4" screws and compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 18-8 stainless steel construction provides excellent mechanical properties for general industrial applications where corrosion resistance and dimensional precision are required.