5/16"-18 X 1/2" Tamper Resistant Machine Screws | Button Head | Pin-In Six Lobe Drive | Alloy Steel Trivalent Zinc Plated (100/Pkg.)

Mutual Screw & SupplySKU: T6B31C050AZ

Price:
Sale price$35.19per 100( $0.35 each)
Pieces 100
Thread size 5/16-18
Length 1/2
Material Alloy Steel
Finish Trivalent Zinc Plated
Drive Pin-In Six Lobe Drive
Driver size T40
Head style Button
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 designed for secure, tamper resistant assemblies in harsh industrial environments. Button head machine screws with pin-in six lobes provide high torque control and anti tamper protection for enclosures, panels, and equipment housings.

Specs

  • Dimensions: Diameter 5/16 inch; Length 1/2 inch
  • Finish: Trivalent Zinc Plated
  • Drive type: Pin-In Six Lobe
  • Material grade: Alloy Steel
  • Thread type: 5/16-18 UNC

Features

  • Tamper resistance: Pin-In Six Lobe drive requires a matching security tool, deterring unauthorized disassembly of equipment housings and control panels.
  • Corrosion protection: Trivalent Zinc plating delivers improved corrosion resistance for outdoor or humid environments, extending service life in industrial settings.
  • Head design: Button head provides a flush, low profile fastening that minimizes snag risk and preserves enclosure aesthetics during maintenance.
  • Material strength: Alloy Steel core delivers high tensile strength and reliable load bearing performance for critical panel and enclosure fastenings.
  • Thread compatibility: Standard 5/16-18 UNC thread aligns with common tapped holes in steel and alloy panels, enabling straightforward installation and replacement.

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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