S-93409A115 0.344" ID x 1.125" OD Clipped Washers

Clipped Washers

1286FA00075 Clipped Washers
1286FA00075 Clipped Washers

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

Part No.
Part No. 1286FA00075
Equivalent to mcmaster :
93409A115

Basic Information

System of Measurement Inch
Washer Type Clipped

Dimension Parameters

ID 0.344"
OD 1.125"
Thickness 0.056-0.071"

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Rockwell B68

Installation & Application Parameters

For Screw Size 5/16"

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 0.952"
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 for extended service life in harsh environments
  • Precise clipped design ensures easy installation and secure fit on 5/16" fasteners without full rotation
  • Excellent load distribution provided by 1.125" OD and 0.952" clipped width for enhanced joint integrity
  • Consistent mechanical performance guaranteed by Rockwell B68 hardness for reliable, repeatable applications
  • Environmental compliance assurance with RoHS 3 and REACH adherence for global supply chain compatibility
  • Dimensional accuracy with 0.344" ID and 0.056-0.071" thickness for precise assembly requirements
  • Industry-standard compatibility with inch measurement system for seamless integration into existing designs

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 18-8 stainless steel clipped washers deliver exceptional corrosion resistance that prevents degradation in moisture-rich or chemical-exposed applications. The precision-clipped design eliminates the need for complete washer rotation during installation, significantly reducing assembly time in high-volume production lines while maintaining secure fastener positioning. With a Rockwell B68 hardness rating, these washers withstand substantial compressive loads without deformation, making them ideal for heavy-duty machinery, structural assemblies, and automotive applications where vibration resistance and long-term reliability are critical. The optimized 1.125" outer diameter provides superior surface coverage, distributing clamp load effectively to prevent material damage and maintain joint integrity under dynamic operating conditions.

Specification Summary & Compliance

This 5/16" clipped washer maintains precise dimensional tolerances with 0.344" inner diameter, 1.125" outer diameter, and thickness ranging from 0.056" to 0.071". Manufactured from 18-8 stainless steel with Rockwell B68 hardness, the washer meets industry standards for inch system fasteners. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and unrestricted use in global industrial markets.

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