1/4"-20 X 1/2" Tamper Resistant Machine Screws | Flat Head | Pin-In Six Lobe Drive | 316 Stainless Steel (100/Pkg.)

Mutual Screw & SupplySKU: T6F25C050SS316

Price:
Sale price$234.60per 100( $2.35 each)
Pieces 100
Thread size 1/4-20
Length 1/2
Material 316 Stainless Steel
Grade 316
Finish Plain
Drive Pin-In Six Lobe Drive
Driver size T30
Head style Flat
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

The tamper resistant machine screw family is engineered for industrial applications requiring secure, flush mounting in equipment housings and enclosures. Built from corrosion resistant material and featuring a restricted-drive interface, these fasteners are suited for harsh environments where tamper resistance and reliable fastening are priorities.

Specs

  • Dimensions: Diameter 0.25 inches; Length 0.5 inches.
  • Drive type: Pin-In Six Lobe Drive.
  • Material grade: 316 Stainless Steel.
  • Thread type: 1/4-20 UNC.

Features

  • Tamper resistance: Pin-In Six Lobe Drive requires a matching security driver, reducing unauthorized removal or adjustment in secured installations.
  • Corrosion resistance: 316 Stainless Steel delivers excellent resistance to chloride exposure, marine salt spray, and chemical environments, extending service life in outdoor and industrial settings.
  • Head profile: Flat head design permits flush seating in countersunk holes, improving vibration resistance and maintaining surface flatness on equipment panels.
  • Material compatibility and strength: 1/4-20 coarse thread provides dependable engagement with common aluminum and steel components under standard torque conditions.
  • Package quantity: 100 per package.
  • Ideal use cases: Industrial enclosures, electrical cabinets, outdoor machinery housings, marine instrumentation, and rugged control panels.
  • Installation considerations: Use the appropriate tamper resistant driver, ensure proper alignment, and apply torque within standard specifications to avoid cam-out and thread galling.

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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