S-98026A525 17.1 mm ID x 49.6 mm OD DIN 9021 Oversized Washers

Oversized Washers

1249FA00239 Oversized Washers
1249FA00239 Oversized Washers

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

Part No.
Part No. 1249FA00239
Equivalent to mcmaster :
98026A525

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 9021

Dimension Parameters

ID 17.1 mm
OD 49.6 mm
Thickness 2.7-3.3 mm

Material & Strength Parameters

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

Installation & Application Parameters

For Screw Size M16

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 protection with zinc yellow-chromate plating for extended service life in harsh industrial environments
  • Optimized load distribution across fastener assemblies to prevent surface damage and maintain joint integrity
  • Precision dimensional compatibility with 17.1mm ID perfectly matching M16 screws and 49.6mm OD providing optimal bearing surface
  • Heavy-duty performance specifically engineered for use with high-strength Class 10.9 fasteners in demanding applications
  • Regulatory compliance assurance meeting both RoHS 3 and REACH environmental standards for safe industrial use
  • Standardized reliability manufactured to DIN 9021 specifications ensuring consistent quality and interchangeability
  • Durable steel construction providing excellent mechanical strength and long-term performance under heavy loads

Professional Applications & Engineering Value

This M16 flat washer delivers critical engineering solutions for industrial assembly challenges. The zinc yellow-chromate plated steel construction provides exceptional corrosion resistance, making it ideal for outdoor equipment, automotive assemblies, and machinery exposed to moisture or chemicals. Engineered to DIN 9021 standards, this metric washer ensures precise fit with Class 10.9 fasteners, distributing clamping forces effectively to prevent joint loosening and surface indentation. The optimized dimensions (17.1mm ID × 49.6mm OD) provide maximum bearing surface while maintaining clearance for M16 bolts, making it perfect for heavy-duty applications where vibration resistance and long-term reliability are paramount in construction, manufacturing, and mechanical engineering projects.

Specification Summary & Compliance

This flat washer features precise dimensional specifications with 17.1mm inner diameter and 49.6mm outer diameter, with thickness ranging from 2.7-3.3mm. Manufactured in compliance with DIN 9021 standards for dimensional accuracy and performance requirements. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (as of 06/14/2023, 235 SVHC), ensuring environmental responsibility and regulatory adherence for industrial applications across global markets.

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