5/16"-18 X 3" Machine Screws | Flat Head | Phillips Drive | Steel Zinc Plated (500/Pkg.)

★★★★★ 4.5 124 reviews

US$73.52
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US$73.52
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 242059598 Release Date 2026/07/19 List Price US$73.52 Model Number 242059598
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Premium 5/16-18 x 3 machine screws crafted from flat steel with a zinc-plated finish for corrosion resistance. These Phillips-drive screws are ideal for reliable metal-to-metal assemblies in panels, enclosures, and machinery.

  • Size and thread: 5/16-18 UNC machine screws
  • Length: 3 inches
  • Drive type: Phillips drive (PH)
  • Material: Flat steel
  • Finish: Zinc plated for corrosion resistance

Designed for use in equipment, electrical panels, machinery, and other hardware applications that require a sturdy, reliable fastener. The zinc plating helps protect against rust and wear, helping your assemblies stay secure over time.

Why choose these machine screws?

  • Consistent thread engagement for dependable holds
  • Corrosion resistance thanks to zinc plating
  • Easy installation with standard Phillips tools
  • Standard 5/16-18 UNC thread for broad compatibility

Upgrade your toolkit with these versatile 5/16-18 x 3 Phillips-drive machine screws for durable performance in a wide range of projects.


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