S-91100A322 6.5 mm ID x 16.7 mm OD DIN 7349-A Oversized Washers

Oversized Washers

1249FA00021 Oversized Washers
1249FA00021 Oversized Washers

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

Part No.
Part No. 1249FA00021
Equivalent to mcmaster :
91100A322

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 7349-A

Dimension Parameters

ID 6.5 mm
OD 16.7 mm
Thickness 2.7-3.3 mm

Material & Strength Parameters

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

Installation & Application Parameters

For Screw Size M6

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-plated steel construction for extended service life in demanding environments
  • Optimal load distribution with precise 6.5mm ID and 16.7mm OD dimensions to prevent surface damage and fastener loosening
  • Enhanced joint integrity specifically engineered for use with high-strength Class 10.9 fasteners
  • Consistent performance maintained through controlled 2.7-3.3mm thickness variation
  • Guaranteed dimensional accuracy through strict compliance with DIN 7349-A manufacturing standards
  • Environmental compliance assurance with full RoHS 3 and REACH certification for global industrial applications
  • Reliable heavy-duty performance in critical assembly applications requiring precise metric specifications

Professional Applications & Engineering Value

These M6 flat washers provide essential engineering solutions for industrial applications where vibration resistance and load distribution are critical. The zinc-plated steel construction offers excellent corrosion protection while maintaining the structural integrity needed for Class 10.9 fasteners in high-stress assemblies. Engineered to DIN 7349-A standards, these washers prevent surface damage to components and maintain clamping force in machinery, automotive, and construction applications. The precise dimensional tolerances ensure consistent performance in automated assembly processes, reducing installation time and improving manufacturing efficiency. These metric flat washers are particularly valuable in applications requiring reliable performance under dynamic loading conditions.

Specification Summary & Compliance

Manufactured to DIN 7349-A specifications with precise dimensional tolerances: 6.5mm inner diameter, 16.7mm outer diameter, and 2.7-3.3mm thickness range. Designed specifically for M6 fasteners with Class 10.9 strength grade compatibility. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide. The zinc-plated steel construction provides consistent performance while meeting international standards for heavy-duty industrial washers.

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