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

★★★★★ 4.5 71 reviews

US$77.35
Price when purchased online
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US$77.35
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 242059344 Release Date 2026/07/19 List Price US$77.35 Model Number 242059344
Category

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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4.5 out of 5
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