![Accusize Industrial Tools Self-Reversing Tapping Head, 4-1/2 inch (M5-M12), 1/8 inch Nptxj6, 2600-4012 : Amazon.ca: Tools & Home Improvement Accusize Industrial Tools Self-Reversing Tapping Head, 4-1/2 inch (M5-M12), 1/8 inch Nptxj6, 2600-4012 : Amazon.ca: Tools & Home Improvement](https://m.media-amazon.com/images/I/819GS8tm3XL.png)
Accusize Industrial Tools Self-Reversing Tapping Head, 4-1/2 inch (M5-M12), 1/8 inch Nptxj6, 2600-4012 : Amazon.ca: Tools & Home Improvement
![General - Archive | How does a automatic tapping head work? | Practical Machinist - Largest Manufacturing Technology Forum on the Web General - Archive | How does a automatic tapping head work? | Practical Machinist - Largest Manufacturing Technology Forum on the Web](http://farm3.static.flickr.com/2294/2290964086_841d02de68.jpg)
General - Archive | How does a automatic tapping head work? | Practical Machinist - Largest Manufacturing Technology Forum on the Web
![Amazon.com: Accusize Industrial Tools - 0-1/4'' Self-Reversing Tapping Head with JT6 Jacobs Taper, Precision Depth Control, for Drill Press, 2600-4002 : Industrial & Scientific Amazon.com: Accusize Industrial Tools - 0-1/4'' Self-Reversing Tapping Head with JT6 Jacobs Taper, Precision Depth Control, for Drill Press, 2600-4002 : Industrial & Scientific](https://m.media-amazon.com/images/I/71pdzxeY9KL._AC_SY200_QL15_.jpg)