S-98687A311 10.5 mm ID x 18 mm OD DIN 433 General Purpose Washers
General Purpose 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 from black oxide steel finish, extending service life in demanding industrial environments
- Precise M10 screw compatibility with 10.5mm inner diameter ensuring perfect fit and load distribution
- DIN 433 standard compliance guaranteeing dimensional accuracy and interchangeability in European mechanical assemblies
- Optimized load bearing surface with 18mm outer diameter preventing surface damage and fastener loosening
- Controlled thickness tolerance (1.4-1.8mm) providing consistent performance across high-volume applications
- Environmental regulation compliance meeting RoHS 3 and REACH standards for global supply chain integration
- Enhanced durability through carbon steel construction maintaining structural integrity under vibration and stress
Professional Applications & Engineering Value
This M10 metric flat washer delivers critical engineering solutions through its black oxide steel construction and DIN 433 standardization. The corrosion-resistant surface treatment specifically addresses premature failure in humid or chemically aggressive environments, while the precise dimensional control (10.5mm ID/18mm OD) ensures uniform load distribution across mating surfaces. Industrial engineers specify these flat washers for machinery assembly, automotive manufacturing, and structural steel connections where vibration resistance and long-term reliability are paramount. The controlled thickness range (1.4-1.8mm) accommodates minor surface irregularities without compromising clamp load, making these metric washers ideal for high-volume production environments requiring consistent fastener performance.
Specification Summary & Compliance
Manufactured to DIN 433 standard with metric dimensions: 10.5mm inner diameter, 18mm outer diameter, and 1.4-1.8mm thickness range. Material specification: black oxide steel construction. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Designed specifically for M10 screw size applications requiring standardized metric hardware components.
