On 03/06/2018 10:05 PM, Gene Heskett wrote:
Greetings all;
It appears that its well nigh impossible to get a firm enough grip on a
tap shank, and on the smooth, unkeyed TTS ER-32 holder, to reliably lock
a tap for rigid tapping. I've considered buying ER-32's with square
sockets, but for >8mm taps, the TTS adapter/holder will spin in the R8.
There are tap chucks that have a round shank, and will fit
in collets or end mill holders.
You can also take the handle out and use a standard tap
handle in a collet or big Jacobs chuck, although come of
them are not centered well.
I do rigid tapping with small taps, but have gone up to
10-32 without slipping.
Jon
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