S-90108A029 0.312" ID x 0.75" OD USS Washers
USS 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 protection with zinc-plated steel construction for extended service life in demanding environments
- Precise USS standard fit ensures optimal load distribution and prevents fastener loosening in 1/4" applications
- Enhanced surface protection prevents damage to components while maintaining electrical conductivity
- Reliable dimensional accuracy with 0.312" ID and 0.75" OD for consistent performance across assemblies
- Robust material strength provides excellent load-bearing capacity without deformation under pressure
- Industry-standard compliance meets rigorous quality requirements for industrial hardware applications
- Versatile thickness range (0.051-0.080") accommodates various spacing and tension requirements
Professional Applications & Engineering Value
These USS flat washers deliver exceptional engineering value through their zinc-plated steel construction, specifically designed to address common industrial challenges. The corrosion-resistant surface treatment protects against environmental degradation in outdoor applications, manufacturing facilities, and mechanical assemblies. The precise 0.312" inner diameter ensures perfect alignment with 1/4" screws, preventing misalignment while the 0.75" outer diameter provides optimal surface coverage to distribute clamping forces evenly. This combination solves critical issues of joint failure, material damage, and maintenance costs in industrial washers applications across construction, machinery, and equipment manufacturing sectors.
Specification Summary & Compliance
Manufactured to USS standard flat washer specifications with dimensional accuracy maintained throughout production. The washers feature standard inch system measurements with precise inner diameter (0.312"), outer diameter (0.75"), and thickness range (0.051-0.080"). Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe usage across global industrial markets. These zinc-plated steel washers meet industry standards for mechanical hardware components in commercial and industrial applications.
