Product tips and

How to Video

Match the Tap Shank and Square with ANSI (Metric) or Pipe NPT Product Size Chart.


Always measure to assure the Tap shank and square dims match stock sizes and size chart dimensions.


How to seat the Tap with the Extension

Line up the Tap square corners with the Extension inner marks.


Tap the top square of the extension with a soft material (lead hammer or block) to seat the tap firmly.


The square of the tap should be visible but not filling the slot window.

Only the drift provided can dislodge the tap from the Extension, drive the drift through extension slot with a hammer or block.  


Do not glue or modify.  DO NOT USE our product If the tap dimensions do not meet the size chart requirements of the self-locking feature.

P.O. Box 1405 Yerington, NV 89447

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Tap extension, Smallest OD, ANSI, Metric, Long Tapping, self-locking, threaded tap, tap extensions, hand tapping, threading, Close tapping