#4-40 X 3/8" Machine Screws | 82 Degree Flat Undercut Head | Phillips Drive | Steel Black Zinc (10000/Pkg.)

★★★★★ 4.6 112 reviews

$629.16
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$629.16
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Management number 242054091 Release Date 2026/07/19 List Price $188.75 Model Number 242054091
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Boost your fastener kit with a bulk pack of machine screws designed for dependable, long-lasting performance. The [10000 BULK] Machine Screws Phil 82 Degree Flat Undercut Steel Black Zinc 4-40 x 3/8 delivers precise size, secure drive, and corrosion resistance for a wide range of projects.

  • Size and drive: 4-40 thread, Phillips drive
  • Length: 3/8 inch
  • Head style: 82-degree flat undercut head
  • Material: Steel
  • Finish: Black zinc coating for corrosion resistance
  • Quantity: 10,000 screws per bulk pack
  • Applications: Ideal for electronics, appliance assembly, machinery, automotive, and general fastening

Designed for reliable performance in metal-to-metal fastening, these screws pair well with corresponding nuts or threaded holes. Stock up in bulk to keep your workshop or production line running smoothly.


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