S-92221A104 1/4"-20 x 2 1/2" Elevator Bolts

Elevator Bolts

0855FA00024 Elevator Bolts
0855FA00024 Elevator Bolts

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

Part No.
Part No. 0855FA00024
Equivalent to mcmaster :
92221A104

Basic Information

System of Measurement Inch
Bolt Type Fanged
Includes Nut

Head Parameters

Fastener Head Type Flat
Head Diameter 31/32"
Head Height 3/32"
Flat Head Profile Wide

Dimension Parameters

Length 2 1/2"
Screw Diameter 0.25"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Unified Standard Class 2A
Min Thread Length 2 9/32"

Material & Strength Parameters

Material Steel
Fastener Strength Grade/Class SAE Grade 2
Hardness Rockwell B80
Tensile Strength 70000 psi

Finish & Compliance Parameters

Finish Zinc Plated
REACH Compliant
RoHS Compliant
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 zinc plating, extending service life in demanding industrial environments.
  • High tensile strength of 70,000 psi ensures reliable, heavy-duty fastening for critical applications.
  • Fully threaded UNC coarse design provides faster installation and superior grip in various materials.
  • Flat head with wide profile and fanged design offers a low-profile, secure fit that resists rotation.
  • SAE Grade 2 classification and Rockwell B80 hardness guarantee consistent performance and durability.
  • Includes a matching nut for a complete, ready-to-use fastening assembly, saving procurement time.
  • Compliance with REACH and RoHS 3 standards ensures environmental safety and regulatory acceptance.

Professional Applications & Engineering Value

This zinc plated steel elevator bolt is engineered to address common industrial challenges such as vibration loosening and environmental wear. The fully threaded UNC coarse spacing and Class 2A thread fit ensure precise engagement and ease of assembly in elevator systems, conveyor belts, and machinery frames. The flat head with a wide profile and fanged base provides a flush mounting surface that prevents pull-through and enhances load distribution. Made from high-strength SAE Grade 2 steel, it delivers a 70,000 psi tensile strength and Rockwell B80 hardness, making it ideal for applications requiring robust, long-lasting fasteners that withstand heavy loads and repetitive stress.

Specification Summary & Compliance

This elevator bolt features a 1/4"-20 UNC thread with coarse spacing and Unified Standard Class 2A fit for dimensional accuracy. It is manufactured from steel with a zinc plated finish and includes a nut. The product complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) standards, ensuring adherence to environmental and safety regulations.

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