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Help drilling hole in file #7405250 01/15/19 04:40 PM
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RCINTX Offline OP
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Hi all - looking for some help. I took an old file I had and used a benchgrinder/grinder/handfile/etc to make a "knife". I have the basic shape cut out and the blade started and I am ready to drill holes and get started on the wood for the handles. Problem is I cannot get a hole drilled for pins no matter what I try. I started with a drill bit I had and a drill press. Wont make a dent. Purchased a cobalt drill bit and still cannot get the bit to start cutting. I know file's are hard but the youtube bladesmiths don't seem to have any problem drilling holes.

What am i doing wrong?

Re: Help drilling hole in file [Re: RCINTX] #7405259 01/15/19 04:48 PM
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bjankowski Offline
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You have to anneal the file, it's too hard to drill.

https://www.youtube.com/watch?v=atq0Scj1gaY

Last edited by bjankowski; 01/15/19 04:52 PM.
Re: Help drilling hole in file [Re: RCINTX] #7405273 01/15/19 04:59 PM
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SnakeWrangler Offline
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up


Originally Posted by Sneaky
I believe in science and I’m an insufferable dickhead
Originally Posted by beaversnipe
Actually, BBC is pretty damn good

"You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
Re: Help drilling hole in file [Re: RCINTX] #7405393 01/15/19 06:29 PM
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Cast Offline
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Use the big red wrench. Your torch. Heat just the drill locations.


Cast

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I have a short attention spa
Re: Help drilling hole in file [Re: Cast] #7405432 01/15/19 07:08 PM
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Originally Posted by Cast
Use the big red wrench. Your torch. Heat just the drill locations.


...then let it air cool slowly....dont quench it after you heat it.


Originally Posted by Sneaky
I believe in science and I’m an insufferable dickhead
Originally Posted by beaversnipe
Actually, BBC is pretty damn good

"You Cannot Simultaneously Be Politically Correct And Intellectually Honest!"
Re: Help drilling hole in file [Re: RCINTX] #7405482 01/15/19 08:14 PM
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RCINTX Offline OP
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Awesome. I will try those suggestions. Thank you.

Re: Help drilling hole in file [Re: RCINTX] #7412585 01/23/19 02:44 PM
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RCINTX Offline OP
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Torch worked like a charm. I knew you guys would know the secrets.

This project was a "can I do it" type and while the knife is not a work of art or razor sharp I can say that I did make a knife out of a file. I had a blast doing it and have already started another. I used barn wood off the family farm (probably 70-80 years old) for the handle. This knife means a lot to me.

[Linked Image]

Re: Help drilling hole in file [Re: RCINTX] #7412603 01/23/19 03:04 PM
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Cast Offline
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Good job!


Cast

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Re: Help drilling hole in file [Re: RCINTX] #7412635 01/23/19 03:42 PM
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Bush Monkey Knives Offline
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BOSCH granite bits will drill through hardened knife steel - done it many times.

Re: Help drilling hole in file [Re: RCINTX] #7412715 01/23/19 04:44 PM
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Cast Offline
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Well, where were you when we needed you? banana


Cast

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