S-91488A365 5/16"-18 x 1 1/4" Elevator Bolts

Elevator Bolts

0855FA00020 Elevator Bolts
0855FA00020 Elevator Bolts

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

Part No.
Part No. 0855FA00020
Equivalent to mcmaster :
91488A365

Basic Information

System of Measurement Inch
Elevator Bolt Style Number No. 3
Includes Nut

Head Parameters

Fastener Head Type Flat
Head Diameter 7/8"
Head Height 7/64"
Flat Head Profile Wide

Neck & Shank Parameters

Neck Type Ribbed
Neck Diameter 0.3"
Neck Length 0.15"

Dimension Parameters

Length 1 1/4"
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

Tip & Drive Parameters

Drive Style Slotted

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

  • Exceptional load-bearing capacity with 70,000 psi tensile strength and SAE Grade 2 classification for reliable performance in demanding applications
  • Superior corrosion resistance through zinc plating, extending service life in industrial environments
  • Enhanced anti-rotation stability with ribbed neck design that prevents loosening under vibration and dynamic loads
  • Easy installation and maintenance with slotted drive style and included matching nut for straightforward assembly
  • Optimized thread engagement through UNC coarse threading and Class 2A fit ensuring secure fastening in various materials
  • Durable material construction featuring steel with Rockwell B80 hardness for long-term mechanical integrity
  • Regulatory compliance assurance meeting both RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

This heavy-duty elevator bolt delivers critical engineering solutions for industrial fastening challenges where vibration resistance and load distribution are paramount. The ribbed neck design actively prevents rotational movement in elevator systems, conveyor belts, and machinery platforms, while the flat head profile provides flush mounting to prevent obstruction. The zinc plated finish offers essential corrosion protection in environments exposed to moisture and industrial chemicals. With UNC coarse threading and Class 2A thread fit, these steel elevator bolts maintain reliable performance in high-vibration applications where fine threads might fail, making them ideal for material handling equipment, industrial flooring, and mechanical assemblies requiring secure fastening under dynamic stresses.

Specification Summary & Compliance

This elevator bolt features precision 5/16"-18 UNC coarse threading with Unified Standard Class 2A thread fit for consistent engagement. Manufactured to SAE Grade 2 standards with verified 70,000 psi tensile strength and Rockwell B80 hardness. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.

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