5/16"-18 X 1-1/4" 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 1-1/4" 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 1-1/4" Tamper Resistant Machine Screws | Flat Head | Pin-In Six Lobe Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual Screw & SupplySKU: T6F31C125SS
Price:
$105.20per 100( $1.05 each)
Pieces 100
Thread size 5/16-18
Length 1-1/4
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

Tamper resistant machine screws for secure, permanent fastening in industrial equipment. The 5/16-18 x 1-1/4 inch flat head screws utilize a Pin-In Six Lobe Drive and 18/8 stainless steel to deliver reliable performance in demanding environments.

Specs

  • Dimensions: Length 1-1/4 inch
  • Thread type: 5/16-18 UNC
  • Drive type: Pin-In Six Lobe Drive
  • Material grade: 304 Stainless Steel (18/8)

Features

  • Tamper resistance: Pin-In Six Lobe Drive interface requires specialized tooling to loosen, reducing unauthorized access in security-critical assemblies.
  • Corrosion resistance: 304 stainless steel provides robust corrosion resistance in typical industrial and washdown environments.
  • Head geometry: Flat head enables flush mounting to minimize snag hazards and maintain surface seals in enclosures and panels.
  • Material compatibility: Suitable for environments where stainless steel fasteners are required, including electrical enclosures and equipment housings in manufacturing settings.
  • Use cases: Ideal for security-sensitive fastenings on machinery housings, control panels, and equipment cabinets where tamper-resistance and corrosion resistance are priorities.

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If you’re not sure that this product is right for you, give us a call!
800-222-0324

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