S-98689A253 4.7 mm ID x 9 mm OD General Purpose Washers
General Purpose Washers
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
- Precise dimensional fit with 4.7mm ID and 9mm OD, ensuring secure seating and even load distribution for M4.5 screws
- Consistent performance thanks to controlled thickness (0.4-0.6 mm), preventing loosening and maintaining assembly integrity
- Environmental compliance assurance with RoHS 3 and REACH adherence, meeting strict international regulatory standards
- Broad industrial compatibility as a metric flat washer, suitable for diverse machinery, equipment, and commercial assemblies
- Durable material properties offering excellent strength and wear resistance without requiring additional surface treatments
Professional Applications & Engineering Value
This M4.5 metric flat washer is engineered from 18-8 stainless steel to address critical challenges in industrial fastening, such as corrosion and mechanical stress. Its precise 4.7mm inner diameter and 9mm outer diameter ensure a perfect fit for M4.5 screws, distributing load evenly to prevent surface damage and bolt loosening under vibration. The flat washer design is essential in industrial and commercial applications, including machinery assembly, automotive components, and electronic enclosures, where consistent spacing and corrosion resistance prolong service life. By utilizing stainless steel, it eliminates the need for plating and reduces maintenance, providing a reliable, RoHS and REACH compliant solution for global supply chains.
Specification Summary & Compliance
This washer conforms to standard metric dimensions with an inner diameter of 4.7 mm, outer diameter of 9 mm, and thickness ranging 0.4–0.6 mm, designed for M4.5 screw sizes. It is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted substances and safe for various industrial uses.
