S-90481A285 0.125" ID x 0.75" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
• Precise dimensional fit with 0.125" ID and 0.75" OD, ensuring proper alignment and load distribution for No. 4 screws
• Optimized thickness range of 0.025-0.040" provides consistent spacing and vibration dampening capabilities
• Enhanced environmental compliance meeting RoHS 3 and REACH standards for safe industrial usage
• Reliable surface protection through zinc plating prevents galvanic corrosion and maintains fastener integrity
• Versatile inch system compatibility designed for standard No. 4 screw applications across various industries
• Cost-effective durability combining steel strength with protective plating for long-term fastening solutions

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver critical engineering value by solving common industrial fastening challenges. The zinc plating creates a sacrificial barrier that significantly reduces corrosion in humid or chemically aggressive environments, preventing premature fastener failure. With precise 0.125" ID sizing specifically engineered for No. 4 screw applications, these washers ensure proper load distribution across mating surfaces, reducing stress concentration and preventing material deformation. The 0.75" OD provides ample bearing surface for enhanced stability in assembly operations, while the controlled thickness range maintains consistent clamping force in industrial washers applications. This combination of corrosion protection and dimensional accuracy makes them ideal for electrical enclosures, machinery assembly, and automotive components where reliability and regulatory compliance are paramount.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.125" internal diameter, 0.75" outer diameter, and thickness ranging 0.025-0.040". Manufactured from zinc-plated steel for optimal corrosion resistance, the product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications requiring compliant fastener washers.