|danssoslow ||07-12-2013 07:45 PM |
Reverse countersink bit?
Is anyone aware of a contersinking bit that is able to create the countrrsink from the opposing side of the medium?
Due to space, I'd like to countersink the rear trigger frame screw on my Sniper. Due to the frame's handle being in the way, the bit I have now won't work.
|desertT1 ||07-12-2013 08:40 PM |
Reverse cow...... Oh wait, sorry, nevermind.
|danssoslow ||07-12-2013 09:12 PM |
I was able to find a set of bits at Harbor Freight. The couterbore bit is attatched by set screws on the drill bits. I was able to flip the counterbore around and git 'er done.
I'm glad you showed that post, hmcl281. It linked some bits on McMaster-Carr. I'll need a tiny one to remove some slag inside of the bore on a Spyder I was working on. That bit of metal in the bore stopped the project cold; now I have a solution.
|dukie ||07-12-2013 11:05 PM |
Get a 45 degree dovetail cutter and put it through the hole from the bottom. chuck it up in the drill and pull
|ApoC_101 ||07-13-2013 12:33 AM |
well, if you want a 90 degree countersink anyways :)
|arjames ||08-27-2013 10:07 PM |
Yup used to use one my teacher made for motorcycle wheel valve stems.
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