5/16"-18 X 1/2" Machine Screws | Flat Head | Phillips Drive | Steel Zinc Plated (3000/Pkg.)

★★★★★ 4.3 88 reviews

US$144.67
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US$144.67
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Free shipping Free 30-day returns

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Product details

Management number 242059491 Release Date 2026/07/19 List Price US$144.67 Model Number 242059491
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Engineered for precision fastening, these Phillips-drive machine screws are made from steel with a robust zinc plating for corrosion resistance. They measure 5/16-18 in thread size and 1/2 in long, delivering reliable performance in metal-to-metal assemblies.

  • Drive type: Phillips (PH) for quick, reliable engagement with standard screwdrivers
  • Material & finish: Steel with zinc plating for corrosion resistance
  • Thread size: 5/16-18 UNC
  • Length: 1/2 in
  • Applications: Ideal for metal-to-metal fastening in equipment, electrical enclosures, automotive assemblies, and various sheet-metal or machined-part projects

Tip: For best results, ensure proper thread engagement with compatible tapped holes or nuts and use the correct driver to avoid stripping. These screws are a practical choice for both professional installations and DIY projects, delivering dependable performance across multiple assemblies.


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