#4-40 X 3/8" Machine Screws | Round Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)

★★★★★ 4.9 130 reviews

US$104.85
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US$104.85
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Free shipping Free 30-day returns

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Management number 242054170 Release Date 2026/07/19 List Price US$104.85 Model Number 242054170
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Machine Screws Phil Round Steel Black Zinc 4/40 X 3/8 are high-strength fasteners designed for secure metal-to-metal connections in electronics, cabinetry, furniture, and general hardware projects.

These Phillips-drive machine screws feature a round head and a robust steel body, finished in black zinc for added corrosion resistance and a discreet, professional look.

  • Drive Type: Phillips
  • Head Style: Round
  • Material: Steel
  • Finish: Black zinc
  • Thread Size: 4-40 UNC
  • Length: 3/8 inch

Key applications include assembling electronics enclosures, light-duty cabinets, furniture hardware, and other projects that require reliable, easy-to-drive fasteners. The 4-40 thread and 3/8 inch length provide compatibility with standard tapped holes and nuts used in small to medium assemblies.

Choose these screws for a durable, corrosion-resistant solution that combines everyday convenience with professional results. Add to your toolkit today.


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4.9 out of 5
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