#4-40 X 1/4" Tamper Resistant Machine Screws | Button Head | Pin-In Six Lobe Drive | Alloy Steel Black Oxide (100/Pkg.)

Mutual Screw & SupplySKU: T6B4C025AB

Price:
Sale price$25.08per 100( $0.25 each)
Pieces 100
Thread size #4-40
Length 1/4
Material Alloy Steel
Finish Black Oxide
Drive Pin-In Six Lobe Drive
Driver size T8
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 fastening hardware engineered for secure, tamper-resistant assemblies in control panels, enclosures, and heavy equipment. These button head machine screws feature a pin-in six-lobe drive and alloy steel with black oxide finish for reliable performance in demanding industrial environments.

Specs

  • Length: 1/4 inch
  • Finish: Black Oxide
  • Drive type: Pin-In Six-Lobe Drive
  • Material grade: Alloy Steel
  • Thread type: #4-40

Features

  • Tamper resistance: Pin-In Six-Lobe Drive engages with compatible drivers to deter unauthorized disassembly in electrical enclosures and machinery housings.
  • Corrosion protection: Black oxide finish provides surface protection and reduced reflectivity for secure installations in moderate humidity and indoor environments.
  • Material strength: Alloy Steel delivers high tensile strength and sustained performance under dynamic loading in industrial fastening applications.
  • seating and clearance: Button head geometry allows flush or near flush seating, improving protection plate seating and reducing snag hazards on panels.
  • Industry applications: Suitable for control panels, electrical cabinets, automation equipment, machinery frames, and mounting brackets requiring tamper resistant fasteners.

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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