S-90452A127 Washers for Square-Neck Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise square hole design ensures secure anti-rotation performance with 5/8" fasteners
• Optimized load distribution through 1.25" outer diameter and consistent 0.055-0.065" thickness
• Reliable dimensional stability with 0.7" inside width maintaining consistent fit and function
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global supply chain compatibility
• Durable inch-system compatibility ensuring seamless integration with existing industrial equipment
• Versatile industrial application suitable for machinery, construction, and heavy equipment assemblies

Professional Applications & Engineering Value

This square hole washer delivers critical engineering solutions where standard round washers fail. The 18-8 stainless steel composition provides exceptional resistance to corrosion and oxidation, making it ideal for outdoor equipment, food processing machinery, and marine applications where moisture exposure is constant. The precision square hole design prevents rotation during assembly and vibration, eliminating loosening in high-stress environments. With its 1.25" OD and 0.7" inside width, it offers superior surface coverage for 5/8" screw applications, distributing clamp load effectively to prevent material damage. The consistent 0.055-0.065" thickness ensures reliable performance in stacked assemblies and gasketing applications across industrial maintenance and manufacturing sectors.

Specification Summary & Compliance

This square hole washer features inch-system dimensions with 1.25" outer diameter, 0.7" inside width, and 0.055-0.065" thickness specifically engineered for 5/8" screw applications. Manufactured from 18-8 stainless steel for consistent performance in demanding conditions. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial supply chains.