rickseeman
Cast Iron
- Joined
- Oct 7, 2014
I need to drill a 3/8" hole in 2" thick 6AL4V titanium. What kind of drill bit do I need for this? Thank you.
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Any quality drill should be fine. Run it slow, keep it cool, peck alot.
If you're buying drills at harbor freight you should not be cutting titanium...Is there a company that makes high quality drill bits? I hate to go to Harbor Freight and ask for a cobalt drill bit. Thanks
you can easily spend over $100 on one drill bit and still break it in less than 1 minute
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just saying the most expensive drill is not necessarily the best drill to use
True, but I don't want to find out I have a shitty drill 1" into a 2" deep hole.
Definitely my experience as well. And echoing limy's remark- it'll workharden in a flash. If you hear or feel that your drill is getting the least bit dull change it or sharpen it. You might be just a few seconds away from it all going south.I worked in a screw machine shop where the boss had made the spacers for the 747 windshields. He had done thousands of them. He used good quality fast twist high speed drills modified by hand to thin the lands. One thing he said was you drill to size, do not even think of drilling undersize and following with a larger drill.
For the OP a standard off the shelf drill is probably good enough. If he was making thousands of holes modifying the drills would be important.
Definitely my experience as well. And echoing limy's remark- it'll workharden in a flash. If you hear or feel that your drill is getting the least bit dull change it or sharpen it. You might be just a few seconds away from it all going south.
If you're buying drills at harbor freight you should not be cutting titanium...
/QUOTE]
I have a set of cobalt drills that I bought at Harbor Freight that are every bit as good as the 3X times more expensive sets that I keep next to my manual mill and "big" drill press..
No discernible difference.
I machine Titanium as well as Monel, Inconel and other exotics all the time with no issues...
Best $88.00 I ever spent...
If you're buying drills at harbor freight you should not be cutting titanium...
/QUOTE]
I have a set of cobalt drills that I bought at Harbor Freight that are every bit as good as the 3X times more expensive sets that I keep next to my manual mill and "big" drill press..
No discernible difference.
I machine Titanium as well as Monel, Inconel and other exotics all the time with no issues...
Best $88.00 I ever spent...
Thanks, I needed a good laugh before calling it a day
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