Drill Press Foot Switch
Yes that is them. About fist size and normally black.
I have a nice one that auto-reverse - haven't run it yet.
On 2/6/2017 10:45 AM, Bob La Londe wrote:
> "Martin Eastburn" > wrote in message
>> Mills have a nice optional unit for tapping - auto-reverse on a set of
>> gears in the unit itself. It goes into jaws (or holder...) and the tap
>> into it's jaws.
>> Made just for taping.
> If you are talking about a tapping head, they work just fine in drill
> presses too. I have two of them in small benchtop drill presses that I
> pretty much never take out. One almost always has a 10-32 spiral point tap
> in it, and the other a 1/4-20 spiral flute. They are HUGE time savers if
> you have to tap a bunch of holes. Adjust the clutch on a new tap so it
> doesn't quite slip tappping dry. Then always tap with a drop of Tap Magic
> and throw the tap away the first time it slips.
> Whoever first told me about them. Thank you. I am sure it was somebody in
> this group. They have saved hundreds if not thousands of hours, and a fair
> number of parts that I no longer have to worry about removing broken taps
> from. LOL.
> On mills another tool that is sometimes used is an extension-compression
> head. It doesn't auto reverse like a tapping head, but it does allow the
> tap to go in further or pull back a a little if the reversing operation
> isn't perfectly syncronized.