S-91080A026 Easy-Install Slotted Washers

Easy-Install Slotted Washers

1291FA00024 Easy-Install Slotted Washers
1291FA00024 Easy-Install Slotted Washers

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

Part No.
Part No. 1291FA00024
Equivalent to mcmaster :
91080A026

Basic Information

System of Measurement Inch
Washer Type Slotted

Dimension Parameters

OD 1.5"
Thickness 0.020-0.026"

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size No. 10, No. 12, No. 14, 1/4"

Finish & Compliance Parameters

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

Geometric Parameters

Slot Width 9/32"
Slot Depth 7/8"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Corrosion-resistant performance with 18-8 stainless steel construction, ideal for humid or demanding industrial environments.
  • Broad compatibility for No. 10, No. 12, No. 14, and 1/4" screw sizes, reducing inventory complexity and procurement time.
  • Precise slot dimensions (9/32" width, 7/8" depth) ensure easy alignment and secure positioning during assembly.
  • Optimal load distribution from the 1.5" OD, minimizing surface stress and preventing material damage.
  • Consistent thickness (0.020-0.026") provides reliable spacing and vibration resistance in fastened joints.
  • Environmental compliance with RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices.
  • Durable material integrity maintains washer function without hardening or brittleness in varied temperatures.

Professional Applications & Engineering Value

This slotted washer in 18-8 stainless steel addresses critical needs in assembly and machinery by offering excellent corrosion resistance and mechanical strength. The 1.5" OD and precise slot dimensions (9/32" width, 7/8" depth) enable quick installation and alignment, reducing labor time in industrial washers applications such as electrical enclosures, automotive components, and structural frameworks. Its compatibility with multiple screw sizes (No. 10, 12, 14, 1/4") ensures versatility across projects, while the stainless steel composition prevents rust in harsh conditions, extending service life and minimizing maintenance costs. Engineers value this precision washer for maintaining joint integrity under dynamic loads, thanks to its consistent thickness and robust design.

Specification Summary & Compliance

This washer features an outer diameter of 1.5", thickness range of 0.020-0.026", slot width of 9/32", and slot depth of 7/8", designed for use with No. 10, No. 12, No. 14, and 1/4" screw sizes in the inch system. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial fastener washers.

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