On Sun, 03 Nov 2013 20:21:08 -0500, you wrote:

>At some point for hand tapping with a cordless drill, buying expensive 
>taps has diminishing return.   If you are doing 5000 holes with 
>controlled feed in a nice mill then buying really good tooling might 
>make perfect sense.   But I oftentimes break off taps simply because I 
>jog or twist.   Unless a super tap will make me steadier, I don't see 
>the sense.  :-)

Set the clutch on the drill. <G> 

I've not managed to snap any of the machine taps and I throw them away
when they get blunt. I've snapped a few mid priced (Lyndon brand) M3
hand taps but only by my own stupidity and using them as machine taps :)

Steve Blackmore
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