S-92217A637 4.7 mm ID x 15.8 mm OD ASME B18.22M ASME Washers
ASME 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 dimensional fit with 4.7mm ID and 15.8mm OD ensures perfect alignment and load distribution for M4 screws.
- Enhanced surface protection for components due to the washer's hardness and material integrity.
- Reliable performance under load with a thickness range of 1.6-2.3mm, providing stability and vibration resistance.
- Guaranteed interchangeability and quality, manufactured to meet the stringent ASME B18.22M metric standard.
- Safe for sensitive applications with full compliance to RoHS 3 and REACH environmental regulations.
- Long-term durability and minimal maintenance needs, reducing total cost of ownership.
Professional Applications & Engineering Value
This M4 flat washer is engineered from 18-8 stainless steel to solve critical challenges in industrial assembly, including corrosion, galvanic reactions, and joint failure. Its precise metric dimensions (4.7mm ID, 15.8mm OD) and controlled thickness ensure uniform clamping force and prevent surface damage to connected parts. The ASME B18.22M compliance guarantees dimensional consistency, making it a trusted component in machinery, electrical enclosures, and automotive systems where vibration resistance and long-term reliability are non-negotiable. The RoHS 3 and REACH compliance further extends its use to electronics and consumer goods, ensuring safety and environmental responsibility.
Specification Summary & Compliance
This flat washer conforms to ASME B18.22M for dimensional accuracy and interchangeability. Key specifications include an Inside Diameter of 4.7 mm, Outside Diameter of 15.8 mm, and Thickness ranging from 1.6 to 2.3 mm, designed for use with M4 screw size. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and safe for various industrial and commercial applications.
