S-93409A138 10.5 mm ID x 28 mm OD Clipped Washers

Clipped Washers

1286FA00090 Clipped Washers
1286FA00090 Clipped Washers

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

Part No.
Part No. 1286FA00090
Equivalent to mcmaster :
93409A138

Basic Information

System of Measurement Metric
Washer Type Clipped

Dimension Parameters

ID 10.5 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 M10

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 23.6 mm
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh or outdoor industrial environments.
  • Secure and stable load distribution with a precise 10.5mm ID, ensuring a perfect fit for M10 screws.
  • Enhanced vibration resistance due to the clipped design, preventing loosening in high-stress applications.
  • Excellent durability and deformation resistance provided by a Rockwell B68 hardness rating.
  • Guaranteed material safety and environmental compliance, meeting strict RoHS 3 and REACH standards.
  • Optimized for space-constrained assemblies with a clipped width of 23.6mm, allowing for closer placement to edges.
  • Reliable dimensional consistency with a thickness range of 1.4-1.8mm, ensuring uniform performance in batch production.

Professional Applications & Engineering Value

This M10 metric clipped washer is engineered to solve critical challenges in assembly and machinery. The 18-8 stainless steel material provides exceptional resistance to rust and corrosion, making it a dependable choice for applications exposed to moisture, chemicals, or outdoor weather. The clipped design is a key feature for industrial settings where components must be mounted close to edges or in tight spaces, preventing the washer from rotating and maintaining a secure fit. Its Rockwell B68 hardness ensures the washer maintains its shape under load, distributing pressure evenly to protect surfaces and prevent fastener failure. This combination of corrosion resistance, precise dimensions, and robust construction makes it an essential component in automotive, machinery, and structural applications where long-term reliability is non-negotiable.

Specification Summary & Compliance

This washer is manufactured to precise metric dimensions with an Inside Diameter (ID) of 10.5 mm, Outside Diameter (OD) of 28 mm, and a thickness of 1.4-1.8 mm, designed specifically for M10 screw sizes. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various industrial and consumer applications.

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