5/16"-18 X 1" Machine Screws | Flat Head | Six Lobe Drive | Steel Zinc Plated (1500/Pkg.)

Mutual ScrewSKU: 3116MTFKC

Price:
Sale price$380.12per 1500( $0.25 each)
Pieces 1500
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1
Material Steel
Grade Steel
Finish Zinc Plated
Drive Six Lobe
Head style Flat
Threads per inch 18
Thread style Fully Threaded
Weight 33.0 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

Powerful, reliable fasteners that deliver consistent performance in metal and plastic assemblies. These machine screws feature a flat zinc plating for corrosion resistance and a Torx Alt drive for secure, tamper-resistant engagement. Sized 5/16-18 x 1 in, they’re perfect for a range of applications where strong, precise fastening is required.

Key specifications

  • Drive type: Torx Alt
  • Size (thread): 5/16-18 UNC
  • Length: 1 in
  • Finish: Flat zinc plating
  • Type: Machine screw

These screws are designed for use with nut inserts, tapped holes, or compatible mating components that accept 5/16-18 threads. The Torx Alt drive helps prevent cam-out and makes installation easier with the right driver.

Applications include equipment enclosures, metal assemblies, and any project requiring a reliable, corrosion-resistant fastener with a secure 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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