5/16"-18 X 1" Machine Screws | 82 Degree Flat Undercut Head | Phillips Drive | Steel Zinc Plated (1000/Pkg.)

Mutual ScrewSKU: 3116MPUKC

Price:
Sale price$220.99per 1000( $0.22 each)
Pieces 1000
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1
Material Steel
Grade Steel
Finish Zinc Plated
Drive Phillips
Head style 82 Degree Flat Undercut
Threads per inch 18
Thread style Fully Threaded
Weight 29.0 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

Engineered for reliable fastening in metal assemblies, this bulk pack provides 1,000 high-quality machine screws designed for 5/16-18 tapped holes with a 1-inch length. The screws feature a Phillips drive with an 82-degree head and a flat undercut for a flush look and improved seating. Made from durable steel and finished with zinc plating for corrosion resistance, they’re suitable for a wide range of projects and industries.

  • Quantity: 1,000 screws per bulk pack
  • Size/Thread: 5/16-18
  • Length: 1 inch
  • Drive: Phillips
  • Head style: Flat undercut, 82-degree
  • Material: Steel
  • Finish: Zinc plated
  • Typical applications: Metal-to-metal fastening in machinery, panels, electronics, and equipment with tapped holes

Secure, durable, and ready for bulk orders—these screws deliver consistent performance in high-volume projects.

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800-222-0324

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