S-91455A140 10.5 mm ID x 20 mm OD DIN 125; ISO 7089 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 through zinc plating, extending service life in humid or outdoor environments
- Exceptional load distribution with 20mm outer diameter, preventing surface damage and maintaining joint integrity
- Precision M10 screw compatibility with 10.5mm inner diameter, ensuring secure fastening without play
- Enhanced mechanical strength with Rockwell B91 hardness, resisting deformation under heavy loads
- Guaranteed dimensional accuracy through compliance with DIN 125 and ISO 7089 manufacturing standards
- Environmental regulation compliance meeting RoHS 3 and REACH standards for safe industrial usage
- Consistent 1.8-2.2mm thickness providing reliable spacing and vibration resistance in assemblies
Professional Applications & Engineering Value
This zinc plated steel flat washer delivers critical engineering solutions for industrial applications where corrosion resistance and load distribution are paramount. The M10 metric sizing combined with DIN 125/ISO 7089 compliance ensures perfect compatibility with standard fastening systems in machinery, structural steelwork, and automotive assemblies. The zinc plating creates a protective barrier against oxidation and chemical exposure, significantly extending component life in challenging environments. With Rockwell B91 hardness, these washers maintain their structural integrity under sustained pressure and vibration, preventing joint loosening and surface damage to expensive equipment components. The standardized dimensions provide reliable performance in high-volume manufacturing and maintenance operations.
Specification Summary & Compliance
Manufactured to DIN 125 and ISO 7089 dimensional standards with precise inner diameter (10.5mm), outer diameter (20mm), and thickness (1.8-2.2mm) tolerances. The zinc plated steel construction provides consistent performance with Rockwell B91 hardness rating. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors.
