S-94650A416 1/4"-20 x 2 1/2" Elevator Bolts

Elevator Bolts

0855FA00171 Elevator Bolts
0855FA00171 Elevator Bolts

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

Part No.
Part No. 0855FA00171
Equivalent to mcmaster :
94650A416

Basic Information

System of Measurement Inch
Elevator Bolt Style Number No. 1
Includes Nut

Head Parameters

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

Neck & Shank Parameters

Neck Type Square
Neck Length 0.22"
Neck Width 0.26"

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

Material & Strength Parameters

Material Steel
Fastener Strength Grade/Class SAE Grade 5
Fastener Strength Rating Medium
Hardness Rockwell C25
Tensile Strength 120000 psi

Finish & Compliance Parameters

Finish Zinc Yellow-Chromate 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: SAE Grade 5 rating with 120,000 psi tensile strength ensures reliable performance under high-stress industrial conditions.
  • Superior Corrosion Resistance: Zinc yellow-chromate plating provides durable protection against rust, extending service life in harsh environments.
  • Secure Anti-Rotation Design: Integrated square neck prevents bolt spinning during installation, enabling faster, more stable assembly.
  • Optimized Thread Engagement: Full UNC coarse threading with Class 2A fit guarantees consistent, vibration-resistant connections.
  • Enhanced Durability: Rockwell C25 hardness maintains structural integrity through repeated use and heavy loads.
  • Regulatory Compliance Assurance: Meets REACH and RoHS 3 standards for safe, environmentally responsible manufacturing.
  • Versatile Flat Head Profile: Wide flat head design allows for flush mounting in conveyor systems and material handling equipment.

Professional Applications & Engineering Value

This heavy-duty elevator bolt delivers critical engineering solutions where standard fasteners fail. The SAE Grade 5 steel construction and 120,000 psi tensile strength directly address industrial demands for components that withstand extreme mechanical stress without deformation. The square neck design eliminates rotation issues during nut tightening, significantly reducing installation time in conveyor belts, elevator systems, and machinery platforms. Zinc yellow-chromate plating provides superior corrosion resistance in environments exposed to moisture or chemicals, while the fully threaded UNC coarse pattern ensures maximum grip in wood, metal, and composite materials. These features make it ideal for material handling, agricultural equipment, and industrial manufacturing applications requiring reliable, long-lasting fastening solutions.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Unified Standard Class 2A thread fit and 1/4"-20 UNC coarse threading. Complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations. Includes matching nut for complete assembly readiness. All specifications conform to SAE Grade 5 mechanical requirements and industrial fastening standards.

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