S-91717A244 10.5 mm ID x 28 mm OD Clipped Washers

Clipped Washers

1286FA00062 Clipped Washers
1286FA00062 Clipped Washers

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

Part No.
Part No. 1286FA00062
Equivalent to mcmaster :
91717A244

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 Black-Oxide Steel
Hardness Rockwell B55

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
In Stock
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Key Features & Benefits at a Glance

  • Enhanced corrosion protection with black-oxide steel coating, extending service life in demanding environments
  • Precise M10 screw compatibility with 10.5mm ID ensuring secure, vibration-resistant fastening
  • Optimized load distribution through 28mm OD design, minimizing surface damage and material stress
  • Space-efficient clipped design with 23.6mm width for easy installation in tight assembly configurations
  • Consistent mechanical performance with Rockwell B55 hardness providing reliable durability under load
  • Strict thickness control (1.4-1.8mm) for uniform clamping force and assembly precision
  • Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These M10 metric clipped washers deliver critical engineering solutions where space constraints and corrosion resistance are paramount. The black-oxide steel construction provides superior protection against oxidation and chemical exposure, making them ideal for automotive assemblies, machinery frames, and outdoor equipment. The unique clipped design enables rapid installation alongside bolts without complete disassembly, significantly reducing maintenance downtime in conveyor systems, electrical enclosures, and structural frameworks. With controlled 1.4-1.8mm thickness and Rockwell B55 hardness, these precision components maintain consistent bearing surface integrity while preventing galvanic corrosion in mixed-material assemblies.

Specification Summary & Compliance

Manufactured to precise metric dimensions (10.5mm ID × 28mm OD × 1.4-1.8mm thickness) with 23.6mm clipped width for M10 screw applications. The black-oxide steel washers meet standard industrial hardness requirements (Rockwell B55) and maintain dimensional consistency for reliable performance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global market acceptance for industrial fastener applications.

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