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Soft end MT mandrels - soft att the way through ?
| Steve Withnell | 20/06/2015 11:45:37 |
 858 forum posts 215 photos | I've used a number of these soft end mandrels from ARC over a period of time the first use:
All I did with this one was drill and tap a 12mm hole 50mm deep to create a backstop for my lathe chucks. I didn't have any issue at all with using 'normal' drills or taps. Another application was to make a mandrel for holding slitting saws (or "Shitting Saw" as an ex- boss's PA once titled a business investment proposal), but I probably didn't drill close to the shank for that application. I have noticed that some are not as "nice" to machine as others, so maybe they are not consistently 'soft' from batch to batch. Steve |
| Tim Stevens | 22/06/2015 16:20:26 |
 1779 forum posts 1 photos | Would it be possible to use a 3MT collet of a relevant size? If the internal collet size is bigger than 12mm (the drawbar size) then an extended drawbar (reduced in diameter at the end to clear the M12 thread) could carry your stop-rod. Or if not, why not? Cheers, Tim |
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All Forum Topics > Workshop Tools and Tooling > Soft end MT mandrels - soft att the way through ?