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| trepan tool? |
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| BillTodd:
--- Quote from: Joules on May 31, 2020, 06:49:29 AM ---Bill, does that tool have a tendency to dive towards the centre of the hole ? Quite aggressive rakes on the tip, something I should really have a play with, what are the tip dimensions hard to judge scale from the pictures. --- End quote --- It's about 3mm groove and about 30mm deep , total length about 65. Can't say I've noticed it dive in any particular direction ,it is solid carbide. |
| BillTodd:
--- Quote from: mattinker on May 31, 2020, 06:55:04 AM ---Celsoari, How big a trepanning tool? https://www.youtube.com/user/userwl2850 does some amazing deep hole drilling! Regards, Matthew --- End quote --- Neat8-) remined me that broaching cutters are also trepanning tools and another useful option for making big holes |
| Joules:
Cheers Bill, I thought just the tip was carbide. Nice link Matthew, he was just down the road (a bit) from us, wish I could have seen his place before he wound it up, real shame. |
| WeldingRod:
The fancy trepanning tools are run well below centerline, if I remember correctly, and the whole insert is slanted down a lot. Very funny looking. I didnt see any dig in issues, even on delrin. Sent from my SM-G892A using Tapatalk |
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