S-91717A239 5.5 mm ID x 18 mm OD Clipped Washers
Clipped Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with black-oxide steel coating, extending service life in demanding environments
- Secure and stable fastening due to the clipped design, preventing rotation during assembly and vibration
- Consistent performance with a Rockwell B55 hardness, ensuring reliable load distribution and resistance to deformation
- Precision fit for M5 screws with a 5.5mm inner diameter, enabling quick and accurate installation
- Enhanced surface protection from the black-oxide finish, reducing friction and wear in mechanical systems
- Compliance with global standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries
- Versatile metric sizing with 18mm outer diameter and 0.9-1.1mm thickness, suitable for diverse industrial applications
Professional Applications & Engineering Value
This M5 metric clipped washer is engineered to address common industrial challenges such as component loosening and corrosion-induced failures. Made from black-oxide steel, it provides excellent resistance to rust and abrasion, making it ideal for automotive, machinery, and outdoor equipment assemblies. The clipped design ensures it stays firmly in place during high-vibration operations, reducing maintenance needs and downtime. With precise dimensions like the 5.5mm ID and 18mm OD, it offers a snug fit for M5 screws, enhancing structural integrity in industrial applications. Its compliance with environmental regulations further supports sustainable manufacturing practices, delivering long-term reliability and cost savings.
Specification Summary & Compliance
This washer adheres to standard metric dimensions with an inner diameter of 5.5mm, outer diameter of 18mm, and thickness of 0.9-1.1mm, ensuring precise fit and function. It is manufactured from black-oxide steel with a hardness of Rockwell B55 for consistent performance. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
