S-93849A105 8.4 mm ID x 16 mm OD Oversized Washers

Oversized Washers

1249FA00103 Oversized Washers
1249FA00103 Oversized Washers

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

Part No.
Part No. 1249FA00103
Equivalent to mcmaster :
93849A105

Basic Information

System of Measurement Metric
Washer Type Flat

Dimension Parameters

ID 8.4 mm
OD 16 mm
Thickness 2.5-3.4 mm

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Rockwell B83

Installation & Application Parameters

For Screw Size M8

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
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance from 18-8 Stainless Steel construction, ideal for harsh industrial environments
  • Exceptional load distribution with precise 8.4mm ID and 16mm OD dimensions, preventing surface damage
  • Enhanced durability with Rockwell B83 hardness rating for long-term performance under pressure
  • Perfect M8 screw compatibility with metric sizing for seamless integration in international projects
  • Reliable thickness range (2.5-3.4mm) ensuring consistent spacing and vibration resistance
  • Global compliance assurance meeting RoHS 3 and REACH standards for safe, sustainable usage
  • Versatile flat washer design providing stable bearing surfaces across multiple applications

Professional Applications & Engineering Value

This M8 metric flat washer delivers critical engineering value through its 18-8 stainless steel composition, offering exceptional corrosion resistance that solves common failure points in moisture-prone industrial settings. The precise 8.4mm inner diameter and 16mm outer diameter create optimal load distribution, preventing joint loosening and surface deformation in heavy-duty applications. With consistent 2.5-3.4mm thickness and Rockwell B83 hardness, it maintains structural integrity under sustained vibration and pressure, making it ideal for machinery assembly, automotive systems, and construction projects where metric hardware reliability is paramount. The flat washer design ensures uniform clamping force while the stainless steel material eliminates galvanic corrosion concerns in mixed-metal assemblies.

Specification Summary & Compliance

This M8 metric flat washer features precise dimensional accuracy with 8.4mm ID and 16mm OD, manufactured to standard metric flat washer specifications. The component maintains Rockwell B83 hardness for consistent performance and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial applications.

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