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View Full Version : Tapered square shank to hex or round bit adapter?



Ryan van Nood
01-23-2023, 6:35 AM
Hi Folks,

I am making a chair and I want to use my tapered reamer in my drill guide, but the shank of the reamer is designed for an older kind of hand brace that I don't have. I 'd also like to keep the nice angles that by drill guide has allowed me to achieve with the pilot holes.

I see adapters for braces that have a square tapered shank that hold hex or round shanks, but I cannot figure out how to adapt in the other direction, as it were. Are there any solutions here?

Cheers!
Ryan

Ole Anderson
01-23-2023, 7:01 AM
Cut off the square shank and chuck it in any standard chuck.

Welcome to the Creek by the way!!! I see this is your first post.

Ole

Jim Becker
01-23-2023, 11:08 AM
Be careful using the reamer like that...they were not really designed to be used with any kind of speed. Do your drilling using the drill guide, but consider finding a brace to use with the reamer. Braces are pretty easy to find out there used. I bought one from the ReStore a couple years ago for like $5 and it's in excellent condition.

Bill Dufour
01-23-2023, 11:53 AM
I agree buy a brace. They will also chuck up a hex magnetic extension and make a very high torque cordless screwdriver.
Bill D

Richard Coers
01-23-2023, 12:31 PM
You can buy a used brace for $5 at a garage sale, an adapter, if there is such a thing, would be cost a lot more.

Ryan van Nood
01-23-2023, 2:39 PM
Thanks for the help, folks, and for the warm welcome! I will go with the brace and practice sticking the angle by eye.

Jim Becker
01-23-2023, 6:36 PM
As long as your drilled holes are accurate, the reamer should follow them just fine when using the brace.

Ronald Blue
01-23-2023, 7:35 PM
I don't know if they would go large enough for your needs but these tap sockets are handy for using a ratchet or drill/driver to power a tap or reamer also.

https://www.amazon.com/Lisle-70500-Tap-Socket-Set/dp/B0002SRFOE/ref=asc_df_B0002SRFOE?tag=bngsmtphsnus-20&linkCode=df0&hvadid=79852149837943&hvnetw=s&hvqmt=e&hvbmt=be&hvdev=c&hvlocint=&hvlocphy=&hvtargid=pla-4583451676731026&th=1

Bill Dufour
01-24-2023, 12:42 AM
Those tap sockets will not really work. A tap has a square shank but no taper on the shank. An 8 Point socket would work as well.
You could look for drill powered pipe reamers, both internal and external. I know thje ridgid 2" reamer, designed to drive with a pipe tap head, is like a 30 degree angle. Exactly the same angle as a Rockwell 12/14 saw arbor
Bill D

Ronald Blue
01-24-2023, 2:19 PM
Those tap sockets will not really work. A tap has a square shank but no taper on the shank. An 8 Point socket would work as well.
You could look for drill powered pipe reamers, both internal and external. I know thje ridgid 2" reamer, designed to drive with a pipe tap head, is like a 30 degree angle. Exactly the same angle as a Rockwell 12/14 saw arbor
Bill D

They work just fine. Just not for this. I missed the tapered square which I should have known. I have used a brace numerous times.

Jamie Buxton
01-24-2023, 6:43 PM
As long as your drilled holes are accurate, the reamer should follow them just fine when using the brace.

My experience is that the tapered reamer does not necessarily follow the drilled hole.