S-94630A116 21 mm ID x 50 mm OD DIN 6340 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
- Enhanced load distribution with 50mm outer diameter to prevent surface damage and maintain joint integrity
- Precise M20 screw compatibility through 21mm inner diameter ensuring accurate fitment and reduced installation errors
- Superior durability with Rockwell C35 hardened steel construction resisting deformation under heavy loads
- Standardized performance meeting DIN 6340 specifications for consistent quality and interchangeability
- Environmental compliance with RoHS 3 and REACH regulations ensuring safe usage in regulated industries
- Optimal thickness range (5.4-6.6mm) providing reliable spacing and vibration resistance in demanding applications
- Metric system compatibility for seamless integration with international engineering projects and equipment
Professional Applications & Engineering Value
This M20 flat washer delivers critical engineering solutions where load distribution and surface protection are paramount. The steel construction with Rockwell C35 hardness prevents embedment and maintains clamping force in heavy-duty industrial applications including machinery assembly, structural steel connections, and automotive components. The precise 21mm ID ensures perfect alignment with M20 fasteners while the 50mm OD provides maximum bearing surface, effectively distributing pressure across softer materials. Manufactured to DIN 6340 standards, these metric washers offer reliable performance in vibration-prone environments, reducing maintenance frequency and extending equipment service life.
Specification Summary & Compliance
This flat washer features dimensional specifications including 21mm inner diameter, 50mm outer diameter, and 5.4-6.6mm thickness range compatible with M20 screw sizes. Manufactured from steel with Rockwell C35 hardness and compliant with DIN 6340 standards for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, ensuring environmental safety and regulatory acceptance in industrial markets.
