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3-1/2"-8 NPS Straight Pipe Tap, High Speed Steel

Model #: NPS-3-1/2

3-1/2"-8 NPS Straight Pipe Tap, High Speed Steel

Price: $560.00

  • Size-Thread: 3-1/2 - 8
  • Straight Pipe Tap - NOT tapered.
  • High Speed Steel. Ground Threads.
  • Makes a thread for standard "3-1/2" Pipe" - the actual thread dimension is greater than 3-1/2".

Often used in light fixtures and lamps.
The "pipe size" listed (such as 1/2"-14) gives the inside diameter of the pipe this tool is intended to thread a hole to accept the outside of, followed by the threads per inch the tap will cut.

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