5/16"-18 X 1-1/4" Machine Screws | Truss Head | Six Lobe Drive | Steel Zinc Plated (1000/Pkg.)

Mutual ScrewSKU: 3120MTTKC

Price:
Sale price$348.54per 1000( $0.35 each)
Pieces 1000
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/4
Material Steel
Grade Steel
Finish Zinc Plated
Drive Six Lobe
Head style Truss
Threads per inch 18
Thread style Fully Threaded
Weight 31.0 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

Upgrade your fastenings with the Machine Screws Truss Zinc Plated Torx Alt 5/16-18 x 1 1/4. These high-strength, low-profile fasteners are ideal for metal-to-metal assemblies where a secure bite and clean finish matter. The Torx Alt drive enhances torque transfer, reduces cam-out, and speeds up installation.

Key advantages:

- Truss head provides a broad bearing surface for flush installations in metal panels and equipment enclosures.

- Torx Alt drive delivers superior engagement and reliability in tight spaces.

- Zinc-plated finish delivers corrosion resistance for indoor applications and mild outdoor environments.

Specifications: 5/16" diameter, 18 threads per inch (5/16-18), 1-1/4" length, Truss head, Torx Alt drive, zinc-plated steel.

Ideal for furniture hardware, electrical enclosures, cabinetry, metal brackets, and other precision assemblies where a robust, long-lasting fastener is required. These machine screws offer dependable performance in tapped holes or nuts, delivering a secure hold with a clean, professional look.

Choose the right screw for your project—durable, corrosion-resistant, and designed for easy, accurate installation with a Torx Alt drive.

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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