View Full Version : sharpen fostner bits
phil harold
11-01-2018, 8:42 PM
how do you shapen these drill bits
mine are getting dull and some have found hidden metal...
Doug Garson
11-01-2018, 8:51 PM
Post your question on Youtube, plenty of how to videos on the subject. Here's one
https://www.youtube.com/watch?v=rLoEulA4mM8&t=336s
Lee Schierer
11-01-2018, 9:14 PM
I use a small flat file on the cutting edges.
Bradley Gray
11-01-2018, 10:08 PM
I use an auger bit file - they have "safe" corners
395898
Doug Hepler
11-01-2018, 10:20 PM
I use a diamond hone. I second the suggestion that you search on you-tube. The main thing is not to sharpen the outside because you will change the diameter. Sharpen the cutters inside the bit.
phil harold
11-02-2018, 7:04 AM
Post your question on Youtube, plenty of how to videos on the subject. Here's one
https://www.youtube.com/watch?v=rLoEulA4mM8&t=336s
Facepalm
thanks for the redirection
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