S-91144A111 13 mm ID x 24 mm OD DIN 6916, ISO 7416 Structural Washers

Structural Washers

1256FA00001 Structural Washers
1256FA00001 Structural Washers

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

Part No.
Part No. 1256FA00001
Equivalent to mcmaster :
91144A111

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 6916, ISO 7416

Dimension Parameters

ID 13 mm
OD 24 mm
Thickness 2.7-3.3 mm

Material & Strength Parameters

Material Hot-Dipped Galvanized Steel
Hardness Rockwell C45

Installation & Application Parameters

For Screw Size M12

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 resistance with hot-dipped galvanized steel coating, extending service life in harsh environments
  • Exceptional load distribution thanks to precise 13mm ID and 24mm OD dimensions, preventing surface damage
  • Reliable hardness performance with Rockwell C45 rating, maintaining structural integrity under high stress
  • Guaranteed dimensional accuracy through compliance with DIN 6916 and ISO 7416 standards
  • Environmental and safety compliance with RoHS 3 and REACH regulations for global industrial use
  • Optimized for M12 screw applications ensuring perfect fit and secure fastening in mechanical assemblies
  • Enhanced durability from 2.7-3.3mm thickness, providing long-term stability in heavy-duty applications

Professional Applications & Engineering Value

This hot-dipped galvanized steel flat washer delivers critical engineering solutions where corrosion and mechanical stress are primary concerns. The M12 DIN 6916 flat washer design ensures uniform load distribution across mating surfaces, preventing bolt loosening and material deformation in industrial washers applications. Its Rockwell C45 hardness provides consistent performance in high-vibration environments like machinery, construction, and automotive assemblies. The hot-dipped galvanized coating offers superior barrier protection against moisture and chemicals, significantly reducing maintenance needs while meeting ISO 7416 dimensional precision for seamless integration with standard metric fastening systems.

Specification Summary & Compliance

Manufactured to DIN 6916 and ISO 7416 standards with precise dimensional tolerances (13mm ID, 24mm OD, 2.7-3.3mm thickness). The washer features Rockwell C45 hardness for consistent mechanical performance and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage in global industrial markets.

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