S-98026A520 10.6 mm ID x 24.7 mm OD DIN 7349 Oversized Washers

Oversized Washers

1249FA00237 Oversized Washers
1249FA00237 Oversized Washers

Image may differ from product. See technical specification for details.

Part No.
Part No. 1249FA00237
Equivalent to mcmaster :
98026A520

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 7349

Dimension Parameters

ID 10.6 mm
OD 24.7 mm
Thickness 3.7-4.3 mm

Material & Strength Parameters

Material Zinc Yellow-Chromate Plated Steel
Hardness Not Rated
For Fastener Strength Grade/Class Class 10.9

Installation & Application Parameters

For Screw Size M10

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with zinc yellow-chromate plating, extending service life in demanding industrial environments
  • Optimal load distribution thanks to precise 24.7mm OD and 3.7-4.3mm thickness, preventing surface damage and fastener loosening
  • Perfect compatibility with Class 10.9 high-strength fasteners, ensuring reliable performance in critical assemblies
  • Precision-engineered 10.6mm inner diameter for exact M10 screw fit, eliminating installation issues and misalignment
  • Guaranteed dimensional accuracy through strict adherence to DIN 7349 manufacturing standards
  • Environmental compliance assurance with RoHS 3 and REACH regulations, meeting global sustainability requirements
  • Enhanced durability in heavy-duty applications through quality steel construction and controlled thickness tolerance

Professional Applications & Engineering Value

Engineered for high-stress industrial applications, these M10 flat washers provide critical surface protection and load distribution where Class 10.9 fasteners are employed. The zinc yellow-chromate plated steel construction delivers exceptional corrosion resistance in harsh environments including manufacturing equipment, automotive assemblies, and structural frameworks. With precise dimensions conforming to DIN 7349 standards, these washers prevent joint failure by evenly distributing clamping force across mating surfaces, reducing stress concentration and maintaining bolt preload. The controlled thickness range of 3.7-4.3mm ensures consistent performance while the 24.7mm outer diameter provides optimal bearing surface for high-strength applications requiring reliable vibration resistance and long-term structural integrity.

Specification Summary & Compliance

This metric flat washer features precise dimensions with 10.6mm inner diameter, 24.7mm outer diameter, and 3.7-4.3mm thickness range, manufactured to DIN 7349 specifications for dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Designed specifically for M10 screw size applications with Class 10.9 fastener compatibility, these washers meet rigorous industrial standards for heavy-duty mechanical assemblies requiring certified components.

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