5/16"-18 X 1-1/4" Tamper Resistant Machine Screws | Truss Head | Spanner Drive | 18/8 Stainless Steel (100/Pkg.)

Mutual ScrewSKU: 1.516114TS

Price:
Sale price$138.24per 100( $1.38 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 1-1/4
Material 18/8 Stainless Steel
Grade 18/8
Finish Plain
Drive Spanner
Head style Truss
Threads per inch 18
Weight 1.0 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 precision fastening in metal enclosures, machinery assemblies, and structural framing. This machine screw features a low profile truss head, spanner drive, and 304 stainless steel for high strength and corrosion resistance in demanding environments.

Specs

  • Dimensions: 5/16-18 UNC x 1-1/4 inch
  • Drive type: Spanner drive
  • Material grade: 304 Stainless Steel (18/8)
  • Thread type: 5/16-18 UNC (coarse)

Features

  • Head style: Truss head provides a wide bearing surface for load distribution and a flush fit in panels and enclosures.
  • Material: 304 Stainless Steel delivers robust corrosion resistance and mechanical strength in damp, washdown, and chemical-exposure environments.
  • Drive mechanism: Spanner drive enables secure engagement with compatible tooling and reduces tool cam-out during high-torque installations.
  • Corrosion resistance: 304 stainless steel offers long-term durability in challenging industrial conditions.
  • Load distribution: Truss head geometry minimizes point loading and distributes clamping force across material surfaces.
  • Dimensional fit: Length accommodates varied material thicknesses; diameter suitable for pre-tapped holes or nuts matching 5/16-18 threads.
  • Packaging: 100 pieces per package.
  • Applications: Electrical enclosures, machinery assemblies, metal framing, control panels, and equipment housings requiring durable fasteners and low-profile installation.

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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