S-90481A286 0.25" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Precise dimensional fit with 0.25" ID and 1.25" OD ensuring proper alignment and load distribution for No. 12 screws
• Consistent thickness control (0.053-0.067") provides uniform pressure distribution and prevents joint loosening
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications
• Enhanced surface protection through zinc plating prevents galvanic corrosion and maintains electrical conductivity
• Versatile industrial compatibility designed for use with standard No. 12 screw sizes across multiple applications
• Reliable load bearing with flat washer design that effectively distributes pressure and protects surface materials

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver critical engineering solutions for industrial fastening systems where corrosion resistance and dimensional precision are paramount. The 0.25" ID x 1.25" OD configuration with controlled 0.053-0.067" thickness ensures optimal load distribution for No. 12 screw applications, preventing surface damage and maintaining joint integrity. The zinc plating provides sacrificial protection against environmental factors, making these flat washers ideal for electrical enclosures, machinery assemblies, and outdoor equipment where moisture and chemical exposure are concerns. Their compliance with international standards makes them suitable for global supply chains and regulated industries requiring documented material safety.

Specification Summary & Compliance

Manufactured to standard inch dimensions with 0.25" inner diameter and 1.25" outer diameter, these flat washers maintain precise 0.053-0.067" thickness tolerance for consistent performance with No. 12 screw sizes. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they meet the latest environmental and safety standards for industrial components. The zinc-plated steel construction follows industry-standard manufacturing practices for reliable fastening performance in commercial and industrial applications.