S-91455A613 10.5 mm ID x 20 mm OD DIN 125; ISO 7089 General Purpose Washers

General Purpose Washers

1247FA00111 General Purpose Washers
1247FA00111 General Purpose Washers

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

Part No.
Part No. 1247FA00111
Equivalent to mcmaster :
91455A613

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 125; ISO 7089

Dimension Parameters

ID 10.5 mm
OD 20 mm
Thickness 1.8-2.2 mm

Material & Strength Parameters

Material Zinc-Plated Steel
Hardness Rockwell C30

Installation & Application Parameters

For Screw Size M10

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2023, 233 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion protection with zinc plating that extends service life in demanding environments
  • Precise M10 screw compatibility with 10.5mm inner diameter ensuring secure, vibration-resistant fastening
  • Optimized load distribution through 20mm outer diameter design that prevents surface damage
  • Consistent performance with Rockwell C30 hardness providing reliable mechanical strength
  • International compliance assurance meeting both DIN 125 and ISO 7089 standards for global projects
  • Environmental regulation compliance with RoHS 3 and REACH certification for responsible sourcing
  • Dimensional stability with 1.8-2.2mm thickness range ensuring proper seating and spacing

Professional Applications & Engineering Value

These zinc plated steel flat washers deliver critical engineering solutions across industrial applications where corrosion resistance and dimensional precision are paramount. The M10 metric flat washer design specifically addresses common fastening challenges in machinery assembly, automotive components, and structural frameworks by providing reliable load distribution and preventing bolt loosening under vibration. The zinc plating creates a protective barrier against moisture and chemical exposure, significantly extending the service life of fastened connections in harsh operating conditions. Manufactured to DIN 125 and ISO 7089 specifications, these washers ensure perfect compatibility with standard M10 fasteners while maintaining consistent 1.8-2.2mm thickness for uniform clamping force across multiple connection points.

Specification Summary & Compliance

This flat washer features precise dimensional specifications including 10.5mm inner diameter, 20mm outer diameter, and 1.8-2.2mm thickness range. Manufactured to DIN 125 and ISO 7089 standards with Rockwell C30 hardness rating. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors.

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