5/16"-18 X 1-1/4" Tamper Resistant Machine Screws | Round Head | Theft-Pruf Drive | Steel Zinc Plated (100/Pkg.)
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5/16"-18 X 1-1/4" Tamper Resistant Machine Screws | Round Head | Theft-Pruf Drive | Steel Zinc Plated (100/Pkg.)

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5/16"-18 X 1-1/4" Tamper Resistant Machine Screws | Round Head | Theft-Pruf Drive | Steel Zinc Plated (100/Pkg.)

Mutual ScrewSKU: 3120RT
Price:
$84.07per 100( $0.84 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1-1/4
Material Steel
Finish Zinc Plated
Drive Theft-Pruf
Head style Round
Threads per inch 18
Weight 3.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial fasteners designed for secure, tamper-resistant assemblies. Theft-Pruf round head machine screws provide durable performance in electrical enclosures, machinery, cabinets, and outdoor installations.

Specs

  • Diameter: 5/16 inch
  • Length: 1-1/4 inch
  • Finish: Zinc Plated
  • Drive Type: Theft-Pruf
  • Material Grade: High-Strength Steel
  • Thread Type: 5/16-18 UNC

Features

  • Tamper-Resistant Drive: Theft-Pruf design requires a specialized driver, providing security against unauthorized removal in critical installations.
  • Corrosion Protection: Zinc plating delivers corrosion resistance suitable for indoor damp environments and outdoor exposure.
  • High Load Bearing: Constructed from high-strength steel to sustain clamping force and maintain structural integrity under vibration and thermal cycling.
  • Thread Compatibility: Standard 5/16-18 UNC thread aligns with common fastener catalogs and compatible hardware used in enclosures and panels.
  • Geometry: Round head distributes load and reduces snag risk in tight assemblies, enhancing assembly reliability.

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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