1/4"-20 X 3/8" Machine Screws | Flat Head | Phillips Drive | 18/8 Stainless Steel Black Oxide (1000/Pkg.)

★★★★★ 4.7 113 reviews

US$65.68
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US$65.68
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 242058288 Release Date 2026/07/19 List Price US$65.68 Model Number 242058288
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Upgrade your fastening solutions with our Phillips flat-head machine screws crafted from 18/8 stainless steel and finished in black oxide. Sized at 1/4-20 UNC and 3/8 inch in length, these screws deliver dependable strength, corrosion resistance, and a sleek, low-profile appearance for a wide range of applications.

Key features

  • Drive: Phillips drive for reliable seating and easy tightening.
  • Head style: Flat-head (countersunk) for a flush, professional finish.
  • Material: 18/8 stainless steel (304) to resist rust and wear.
  • Finish: Black oxide provides a subtle, non-reflective surface and additional protection.
  • Thread size: 1/4-20 UNC for common, widely available compatibility.
  • Length: 3/8 inch to suit a variety of panel and component thicknesses.

Technical specifications

  • Material: 18/8 stainless steel (304)
  • Finish: Black oxide
  • Head type: Flat-head (countersunk)
  • Drive type: Phillips
  • Thread: 1/4-20 UNC
  • Length: 3/8 inch

Designed for electronics enclosures, cabinetry, machinery assemblies, and other precision projects, these screws combine corrosion resistance with a clean, professional look. Choose this fastener when you need a reliable, flush-mount solution that stands up to daily use.


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4.7 out of 5
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113 ratings | 46 reviews
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