S-98035A113 37 mm ID x 50 mm OD Oversized Washers

Oversized Washers

1249FA00252 Oversized Washers
1249FA00252 Oversized Washers

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

Part No.
Part No. 1249FA00252
Equivalent to mcmaster :
98035A113

Basic Information

System of Measurement Metric
Washer Type Flat

Dimension Parameters

ID 37 mm
OD 50 mm
Thickness 4.5-5.4 mm

Material & Strength Parameters

Material Black-Oxide Steel
Hardness Rockwell 15N80

Installation & Application Parameters

For Screw Size M36

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) compliant with exemption 6(a) - Lead as an alloying element in steel
REACH REACH (EC 1907/2006) (01/17/2023, 233 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 black-oxide steel coating for extended service life in harsh industrial environments
  • Exceptional load distribution with 50mm outer diameter providing maximum surface coverage for M36 fasteners
  • Precise dimensional fit with 37mm inner diameter ensuring perfect alignment with M36 screw sizes
  • Enhanced mechanical strength featuring Rockwell 15N80 hardness for reliable performance under heavy loads
  • Consistent thickness control between 4.5-5.4mm for uniform pressure distribution and joint integrity
  • Full regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally responsible manufacturing
  • Metric system compatibility designed for seamless integration with international machinery and equipment standards

Professional Applications & Engineering Value

This M36 flat washer delivers critical engineering solutions for heavy-duty industrial applications where vibration resistance and load distribution are paramount. The black-oxide steel construction provides superior corrosion protection in demanding environments, while the precise 37mm ID x 50mm OD dimensions ensure optimal force distribution across mating surfaces. Engineered with Rockwell 15N80 hardness, this metric washer maintains structural integrity under extreme pressure, preventing joint failure in construction equipment, heavy machinery, and industrial assembly applications. The controlled thickness range guarantees consistent performance across production batches, making it ideal for standardized manufacturing processes requiring reliable flat washer performance.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications with 37mm inner diameter, 50mm outer diameter, and 4.5-5.4mm thickness range. Manufactured from black-oxide steel with Rockwell 15N80 hardness rating, the washer complies with RoHS 3 (2015/863/EU) standards with exemption 6(a) for lead as an alloying element in steel and meets REACH (EC 1907/2006) compliance requirements as of January 17, 2023. Designed specifically for M36 screw sizes within metric measurement systems.

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