S-93413A216 13 mm ID x 37 mm OD DIN 9021, ISO 7093 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
- Superior corrosion protection with black-coated steel construction, extending service life in harsh industrial environments
- Precise dimensional fit with 13mm ID and 37mm OD ensuring reliable alignment and load distribution for M12 fasteners
- Enhanced mechanical durability from Rockwell B56 hardness, resisting deformation under heavy loads
- Guaranteed interchangeability through compliance with DIN 9021 and ISO 7093 international standards
- Environmental responsibility with full RoHS 3 and REACH compliance, meeting global regulatory requirements
- Optimized thickness range (2.7-3.3mm) providing consistent compression and vibration resistance
- Broad industrial compatibility as a metric flat washer suitable for machinery, construction, and automotive assemblies
Professional Applications & Engineering Value
This M12 flat washer delivers critical engineering solutions through its black corrosion-resistant coated steel construction, specifically designed to combat degradation in demanding environments. The DIN 9021 and ISO 7093 certified geometry ensures perfect fit with M12 fasteners, preventing loosening from vibration and distributing clamp load effectively across joined surfaces. In industrial machinery, automotive subsystems, and outdoor structural applications, the washer's corrosion-resistant properties eliminate premature failure risks while maintaining Rockwell B56 hardness to withstand sustained mechanical stress. This combination of metric flat washer precision and protective coating makes it indispensable for B2B procurement where long-term reliability and regulatory compliance are paramount.
Specification Summary & Compliance
Manufactured to DIN 9021 and ISO 7093 dimensional standards with inner diameter 13mm, outer diameter 37mm, and thickness 2.7-3.3mm. Material hardness certified at Rockwell B56 for consistent performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial supply chains.
