S-91090A125 0.203" ID x 0.688" 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 with zinc-plated steel construction, extending service life in harsh industrial environments
- Precise dimensional compatibility with 0.203" ID and 0.688" OD ensuring perfect fit for No. 10 screws
- Optimized load distribution through controlled 0.043-0.051" thickness range, preventing surface damage and loosening
- Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
- Enhanced assembly reliability through flat washer design that maintains consistent clamping force
- Durable steel core material providing excellent strength-to-weight ratio for demanding applications
Professional Applications & Engineering Value
These zinc-plated steel flat washers deliver critical engineering solutions for industrial assembly challenges. The zinc plating provides essential corrosion resistance in environments exposed to moisture, chemicals, or outdoor conditions, significantly extending component lifespan. The precise 0.203" ID ensures secure fitment on No. 10 screws, while the 0.688" OD offers optimal surface coverage to distribute clamping forces evenly, preventing material deformation and maintaining joint integrity. Manufactured to inch system specifications, these flat washers are engineered for machinery, electrical enclosures, structural assemblies, and automotive applications where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
This flat washer features precise dimensional specifications with 0.203" inner diameter, 0.688" outer diameter, and thickness ranging from 0.043" to 0.051". Manufactured from zinc-plated steel for durability and corrosion protection, these washers are designed specifically for No. 10 screw size applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use across global markets.
