S-90313A222 0.125" ID x 0.75" 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 from 18-8 stainless steel construction, ideal for harsh or humid environments.
- Precise load distribution with a 0.75" outer diameter, protecting surfaces and preventing fastener embedment.
- Secure fit for No. 4 screws ensured by the 0.125" inner diameter, reducing vibration loosening.
- Consistent mechanical performance due to a controlled thickness range of 0.039" to 0.052".
- Long-term reliability with excellent durability, maintaining integrity under repeated stress.
- Global compliance assurance by meeting RoHS 3 and REACH standards for safe, regulated use.
- Versatile industrial application as a general-purpose flat washer in various assembly setups.
Professional Applications & Engineering Value
This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as galvanic corrosion, surface damage, and joint failure. Its corrosion-resistant material ensures longevity in demanding applications, including outdoor equipment, marine hardware, and food processing machinery, where moisture and chemicals are prevalent. The precise 0.125" ID and 0.75" OD dimensions provide optimal load distribution, preventing screw head pull-through and distributing clamping force evenly to protect softer materials. By using these flat washers, engineers achieve reliable fastening solutions that enhance assembly integrity, reduce maintenance costs, and comply with stringent industry regulations for safety and sustainability.
Specification Summary & Compliance
This washer features standard inch dimensions with an inner diameter of 0.125", outer diameter of 0.75", and thickness ranging from 0.039" to 0.052", designed for use with No. 4 screw sizes. Manufactured from 18-8 stainless steel, it adheres to common industrial standards for flat washers. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various applications.
