5/16"-18 X 5/8" Tamper Resistant Machine Screws | Round Head | Theft-Pruf Drive | Steel Zinc Plated (100/Pkg.)

Mutual ScrewSKU: 3110RT

Price:
Sale price$64.29per 100( $0.64 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 5/8
Material Steel
Finish Zinc Plated
Drive Theft-Pruf
Head style Round
Threads per inch 18
Weight 2.0 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 engineered for secure metal-to-metal fastening in harsh environments. The Theft-Pruf drive paired with a zinc plated steel core delivers tamper-resistant security and durable corrosion protection for professional equipment assemblies.

Specs

  • Dimensions: Diameter 5/16 inch; Length 5/8 inch
  • Finish: Zinc Plated
  • Drive Type: Theft-Pruf
  • Material Grade: Theft-Pruf steel
  • Thread Type: UNC
  • Thread Size: 5/16-18

Features

  • Tamper-Resistant Drive: Theft-Pruf design requires a compatible driver, reducing risk of unauthorized removal in secured enclosures and equipment housings.
  • Corrosion Protection: Zinc plating delivers durable corrosion resistance in industrial environments, extending service life of fasteners in humid or corrosive settings.
  • High Strength Core: Theft-Pruf steel provides robust shear and tensile strength for demanding metal-to-metal joints.
  • Load Distribution: Round head with broad bearing surface distributes load evenly to minimize indentation and fastener loosening.
  • Compatibility: Standard 5/16-18 UNC thread enables reliable mating with tapped holes and nuts in metal assemblies.
  • Application Scope: Suitable for electrical panels, machine frames, enclosures, and cabinet assemblies in manufacturing, automation, and maintenance environments.

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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