S-93409A137 9 mm ID x 28 mm OD Clipped Washers

Clipped Washers

1286FA00089 Clipped Washers
1286FA00089 Clipped Washers

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

Part No.
Part No. 1286FA00089
Equivalent to mcmaster :
93409A137

Basic Information

System of Measurement Metric
Washer Type Clipped

Dimension Parameters

ID 9 mm
OD 28 mm
Thickness 1.4-1.8 mm

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Rockwell B68

Installation & Application Parameters

For Screw Size M8

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/14/2023, 235 SVHC) Compliant

Geometric Parameters

Clipped Width 23.3 mm
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 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
  • Precise fit and secure fastening with 9mm ID and 28mm OD, ensuring reliable performance for M8 screw applications.
  • Enhanced durability and load distribution from Rockwell B68 hardness, reducing wear and preventing surface damage.
  • Easy installation and alignment thanks to the clipped design with 23.3mm width, speeding up assembly processes.
  • Consistent thickness control between 1.4-1.8mm for uniform pressure and stability in various applications.
  • Compliance with strict environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.
  • Versatile metric sizing that integrates seamlessly with global engineering specifications and industrial equipment.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these M8 metric clipped washers provide critical solutions for vibration resistance and load distribution in machinery, automotive, and construction assemblies. The 18-8 stainless steel material offers excellent resistance to rust and chemical exposure, addressing common failure points in corrosive environments. With a clipped design and precise 9mm ID and 28mm OD, they enable quick alignment and secure fastening on M8 screws, reducing installation time and improving overall assembly reliability. This combination of corrosion-resistant properties and robust construction ensures long-term performance in heavy-duty applications, minimizing maintenance needs and downtime.

Specification Summary & Compliance

This washer features metric dimensions with an inner diameter of 9mm, outer diameter of 28mm, and thickness ranging from 1.4-1.8mm, adhering to standard tolerances for precise fit. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B68, ensuring consistent mechanical properties. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial markets.

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