S-90452A115 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 fit and prevents rotation with No. 10 screws
• Optimal load distribution from 0.437" outer diameter, reducing surface pressure and material stress
• Accurate dimensional tolerances with 0.204" inside width for consistent assembly performance
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global supply chain integration
• Thin profile versatility (0.025-0.035" thickness) suitable for space-constrained applications
• Reliable industrial performance in inch measurement system for compatibility with standard North American components

Professional Applications & Engineering Value

This 18-8 stainless steel square hole washer delivers exceptional engineering value in demanding applications where corrosion resistance and vibration prevention are critical. The specialized square hole configuration provides positive locking action with No. 10 screws, eliminating rotational slippage in high-torque assemblies. With its precise 0.437" OD and 0.204" inside width, this washer maintains consistent alignment while distributing clamp load effectively across mating surfaces. The stainless steel construction ensures long-term reliability in moisture-prone environments, from outdoor equipment to chemical processing installations, while the thin profile accommodates tight clearance requirements without compromising performance.

Specification Summary & Compliance

Manufactured to inch system standards with precise dimensional control, this square hole washer features a 0.437" outer diameter, 0.204" inside width, and thickness ranging 0.025-0.035". The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market acceptance. Crafted from 18-8 stainless steel, it provides reliable performance for No. 10 screw applications across industrial and commercial sectors.