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SparkFun

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Standard 4-40 zinc-plated hex nuts. A common thread size used in electronics enclosures, PCB mounting, and small hardware assemblies. Specifications Threa...

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Standard 4-40 zinc-plated hex nuts. A common thread size used in electronics enclosures, PCB mounting, and small hardware assemblies.

Specifications

  • Thread Size – 4-40 (UNC)
  • Material – Zinc-plated steel
  • Quantity – 10 pack

Jargon buster

Plain-language definitions for the technical terms used above.

PCB
A printed circuit board (PCB) is a board, usually rigid, with etched copper tracks that connect electronic components together without loose wiring. Components are mounted on the board and signals route between them through the copper layout.
Thread
A low-power wireless mesh networking standard designed for smart home and IoT devices. It matters because Thread devices can relay messages through each other, helping build reliable networks for sensors and controllers.

Supplier page — sparkfun.com

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