S-91090A104 0.219" ID x 1.25" OD Oversized Washers
Oversized Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance through zinc plating, extending service life in demanding industrial environments
- Precise dimensional fit with 0.219" ID specifically engineered for No. 10 screws, ensuring secure fastening
- Optimal load distribution with 1.25" OD design, preventing surface damage and maintaining joint integrity
- Consistent thickness tolerance (0.042-0.051") for reliable performance in assembly applications
- Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial usage
- Durable steel construction providing reliable mechanical strength for repeated use in hardware applications
Professional Applications & Engineering Value
These zinc-plated steel flat washers deliver exceptional engineering value by solving common industrial fastening challenges. The corrosion-resistant zinc plating protects against environmental degradation, making them ideal for applications where moisture or chemical exposure is a concern. The precise 0.219" inner diameter ensures perfect compatibility with No. 10 screws, eliminating loose fittings that compromise assembly integrity. The generous 1.25" outer diameter provides superior load distribution across surfaces, preventing damage to soft materials and maintaining the structural integrity of fastened joints. These industrial washers are engineered to withstand repeated installation cycles while maintaining their protective and load-bearing capabilities in mechanical assemblies, electrical enclosures, and general hardware applications.
Specification Summary & Compliance
This flat washer features inch system dimensions with 0.219" ID, 1.25" OD, and thickness range of 0.042-0.051". Manufactured from zinc-plated steel for consistent performance, the washer is specifically designed for No. 10 screw size applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe usage across industrial sectors while meeting international regulatory requirements for hazardous substance restrictions.
