5/16"-18 X 2-1/2" Tamper Resistant Machine Screws | Flat Head | Pin-In Six Lobe Drive | 18/8 Stainless Steel (100/Pkg.)
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5/16"-18 X 2-1/2" Tamper Resistant Machine Screws | Flat Head | Pin-In Six Lobe Drive | 18/8 Stainless Steel (100/Pkg.)

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5/16"-18 X 2-1/2" Tamper Resistant Machine Screws | Flat Head | Pin-In Six Lobe Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual Screw & SupplySKU: T6F31C250SS
Price:
$110.94per 100( $1.11 each)
Pieces 100
Thread size 5/16-18
Length 2-1/2
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Pin-In Six Lobe Drive
Driver size T40
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

Industrial fasteners engineered for secure enclosure mounting in harsh industrial environments. These tamper resistant flat head machine screws feature a Pin-In 6-Lobe Drive and 18/8 stainless steel construction to deliver reliable, corrosion resistant performance across demanding applications.

Specs

  • Diameter: 5/16 inch
  • Length: 2-1/2 inch
  • Drive Type: Pin-In 6-Lobe Drive
  • Material Grade: 304 Stainless Steel
  • Thread Type: 5/16-18 UNC

Features

  • Tamper resistance: Pin-In 6-Lobe Drive design reduces unauthorized removal when paired with compatible tooling.
  • Corrosion resistance: 304 Stainless Steel provides robust performance in indoor and outdoor industrial environments.
  • Flush mountability: Flat head enables flush installation to protect components and minimize snag hazards.
  • Thread compatibility: 5/16-18 UNC thread aligns with standard panel and enclosure hardware for reliable clamping in industrial assemblies.
  • Pack quantity: 100 per package to support large scale installations and consistent inventory management.

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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