5/16"-18 X 4" Machine Screws | Indented Hex Head | Slotted Drive | Steel Zinc Plated (200/Pkg.)

★★★★★ 4.8 90 reviews

US$61.81
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US$61.81
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 242059683 Release Date 2026/07/19 List Price US$61.81 Model Number 242059683
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Our Machine Screws Slotted Indented Hex Washer Zinc Plated 5/16-18 x 4 are engineered for dependable, high-performance fastening in metal assemblies. Featuring a slotted drive for quick installation, an indented hex washer head for a flush finish, and a zinc-plated coating for corrosion resistance, these screws are ideal for electrical enclosures, machinery panels, cabinets, and other durable hardware applications.

  • Diameter × Thread: 5/16-18
  • Length: 4 inches
  • Drive: Slotted
  • Head: Indented Hex Washer
  • Finish: Zinc Plated

Whether you're outfitting a new project or replacing worn fasteners, these zinc-plated machine screws deliver strong holding power and a clean, professional appearance across a wide range of environments.


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4.8 out of 5
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90 ratings | 37 reviews
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