S-92221A142 5/16"-18 x 2 1/2" Elevator Bolts

Elevator Bolts

0855FA00051 Elevator Bolts
0855FA00051 Elevator Bolts

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Part No.
Part No. 0855FA00051
Equivalent to mcmaster :
92221A142

Basic Information

System of Measurement Inch
Bolt Type Fanged
Includes Nut

Head Parameters

Fastener Head Type Flat
Head Diameter 1 3/16"
Head Height 7/64"
Flat Head Profile Wide

Dimension Parameters

Length 2 1/2"
Screw Diameter 0.3125"

Thread Parameters

Thread Type UNC
Thread Size 5/16"-18
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

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

  • Exceptional load-bearing capacity with 70,000 psi tensile strength for reliable performance in demanding applications
  • Superior corrosion resistance and durability thanks to high-quality steel construction and Rockwell B80 hardness
  • Easy installation and secure fastening with fully threaded UNC coarse spacing and right-hand thread direction
  • Precise fit and reliable engagement ensured by Unified Standard Class 2A thread fit for consistent performance
  • Enhanced stability and distribution from the wide flat head profile that prevents pull-through
  • Complete assembly solution with included nut for immediate use and reduced sourcing time
  • Compliance with international standards including REACH and RoHS 3 for safe, environmentally responsible manufacturing

Professional Applications & Engineering Value

This heavy-duty elevator bolt is engineered to solve critical fastening challenges in industrial settings where vibration resistance and long-term reliability are paramount. The SAE Grade 2 steel construction combined with Rockwell B80 hardness provides excellent durability against wear and deformation. The fully threaded 5/16"-18 UNC coarse thread design ensures maximum grip in elevator systems, conveyor belts, and material handling equipment, while the wide flat head distributes pressure evenly to prevent surface damage. These industrial fasteners maintain integrity under constant stress, making them ideal for applications requiring 70,000 psi tensile strength and consistent performance in demanding environments.

Specification Summary & Compliance

This elevator bolt features precise Class 2A thread fit according to Unified Standard specifications, ensuring proper engagement and interchangeability. The UNC thread with coarse spacing provides reliable performance in various materials. Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) standards, confirming environmental responsibility and safety. The SAE Grade 2 classification guarantees consistent mechanical properties and quality control throughout production.

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