Aero kit Drill Bit Options

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PSNCO

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Jun 7, 2013
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Brooklyn Center, Minnesota
I'm having a heck of a time trying to find a 23/64th drill bit locally for the Aero pen kit. I can't seem to find the bit with some of the usual venders I order from. What would be the best bit to use of what I have on hand?

The 23/64th bit = .3594 I have the following bits available:

9mm= .3543
'U'= .3680
3/8th= .3750
 
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carlmorrell

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May 14, 2013
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Cary, NC
A few weeks ago, I picked up a LED flashlight kit, then realized it needed a 33/64 drill bit. I have a 2 drill indexes, and a whole bunch of other drill bits. But did I have 33/64 or something even close? no. :frown: In fact, who would have a 33/64?

So I used a 1/2 inch. Then reamed it forever.. It came out fine.

So if it was me, I would used the 9mm. Sand the tubes and ream til it hurts, er ... fits:biggrin: You might be surprised you don't need to ream much if at all.
 

Rodnall

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Sep 5, 2012
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Miami, FL
I just measured one of my aero tubes, it was .348, so the 9mm would probably work better. I have found that some kits recommend a drill bit that is too big sometimes. I always measure my tubes and choose an appropriate bit, instead of going by the instructions after having a couple of tubes super loose in the blanks
 

Dan Masshardt

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Jan 30, 2013
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Mechanicsburg, PA
I was in a similar situation with the aero before. There wasn't another bit
Close enough for me. I actually found one on the clearance table at woodcraft. Lucky.
 

Charlie_W

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Nov 16, 2011
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Sterling, VA USA
I just measured one of my aero tubes, it was .348, so the 9mm would probably work better. I have found that some kits recommend a drill bit that is too big sometimes. I always measure my tubes and choose an appropriate bit, instead of going by the instructions after having a couple of tubes super loose in the blanks

I usually try to find a bit which is 10 thousanths larger than the tube to allow for glue/paint.
 

Tom T

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May 12, 2012
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Location
Sanford Florida
Most fastener stores should have one. They will have different grades. Buy the good one.
When I use certain bits they burn up way easy. I have some colt bits that have been great. Have never burnt one. Have welded a few to acrylic. But they take a licking and keep working great.
 

fernhills

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Jan 22, 2007
Messages
2,127
Location
Hellertown, PA, USA.
Harbor Freight, 29 piece up to 1/2", all that you will need unless you go to very large full size rollerballs or fountain pens over 1/2". That will give you a good base, then order when you buy a kit for something special or the kit is calling for mm. I think you can buy the box for 13.49. For a little more you can get both MM & Fractions. Then just replace as you wear them out. Also pick up a punch set for 9.99,, invaluable. Carl
 
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