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#4 - 40 Taper (Starting) Tap, High Speed Steel - National Coarse Thread

Model #: TAT-4-40

#4 - 40 Taper (Starting) Tap, High Speed Steel - National Coarse Thread

Price: $2.50

  • Thread Diameter: #4
  • Threads per Inch: 40
  • High Speed Steel. Ground Thread.
  • Taper Style (the style of hand tap with the most lead, for starting threads).
  • Recommended Drill Size: #43

Taper taps have a long lead (5-6 threads) for starting a thread.

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