S-98363A118 24 mm ID x 80 mm OD DIN 440-R Oversized Washers

Oversized Washers

1249FA00278 Oversized Washers
1249FA00278 Oversized Washers

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

Part No.
Part No. 1249FA00278
Equivalent to mcmaster :
98363A118

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 440-R

Dimension Parameters

ID 24 mm
OD 80 mm
Thickness 5.0-7.0 mm

Material & Strength Parameters

Material Steel
Hardness Rockwell B50

Installation & Application Parameters

For Screw Size M22

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

  • Enhanced Load Distribution with 80mm outer diameter to prevent surface damage and maintain joint integrity under high stress
  • Superior Corrosion Resistance through high-grade steel construction ensuring long-term reliability in harsh industrial environments
  • Precision M22 Compatibility with 24mm inner diameter for perfect fit and vibration resistance in critical assemblies
  • Optimized Thickness Range (5.0-7.0mm) providing consistent spacing and compensation for material variations
  • Exceptional Mechanical Strength with Rockwell B50 hardness to withstand repeated loading without deformation
  • Guaranteed Standard Compliance meeting DIN 440-R specifications for dimensional accuracy and performance reliability
  • Environmental Responsibility through RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

This M22 DIN 440-R flat washer delivers critical engineering solutions for industrial applications requiring reliable fastening under demanding conditions. The steel construction with Rockwell B50 hardness ensures exceptional durability against wear and deformation, while the precise metric dimensions (24mm ID × 80mm OD) provide optimal load distribution across connected surfaces. The DIN 440-R standard compliance guarantees consistent performance in heavy machinery, structural steelwork, and manufacturing equipment where vibration resistance and joint integrity are paramount. The 5.0-7.0mm thickness range accommodates minor surface irregularities, preventing loosening and maintaining clamp force in dynamic loading scenarios common in automotive, construction, and industrial maintenance applications.

Specification Summary & Compliance

Manufactured to DIN 440-R standard with precise metric dimensions: 24mm inner diameter, 80mm outer diameter, and 5.0-7.0mm thickness range. Constructed from high-grade steel with Rockwell B50 hardness for mechanical reliability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while meeting international quality and safety standards.

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