OT: drillbit question

[Henning V. Mikkelsen]

Hi all
I know this is Somewhat off topic but I hope you can help me anyway.
I saw something on TV yesterday. In a program Ocean county choppers
they were using a kind of stepped size drill bit. Can anyone help on info
on this tool as I have newer seen anything like that before.  I must admit
I'm
a bit of a tool buff. And that one is definitely different.

73-
Henning

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[Timothy A. Raymer]

Henning,

Unibit is the name for that gizmo.  Klein tools owns the rights to it, and
here in the states it is usually available at places like Lowe's,
and   electrical supply houses like Graybar also stock them.  for purchases
in .dk land, you may have similiar sources available, or you may have to go
the internet.

Here is a link for some additional information on the internet:

http://www.kleintools.com/

http://www.mytoolstore.com/klein/59001.html
is one example of a web source for the product.

Be forewarned!!  It is a relatively difficult tool to master.  They make it
look easy on TV.  They have only one cutting edge, and tend to twist and
torque around when you are using them.  Electricians like them for putting
knockout holes in boxes and panels.

Good luck!

Tim Raymer
73 de KA0OUV
K2 #1383

At 15:46 03/22/2005, you wrote:

>Hi all
>I know this is Somewhat off topic but I hope you can help me anyway.
>I saw something on TV yesterday. In a program Ocean county choppers
>they were using a kind of stepped size drill bit. Can anyone help on info
>on this tool as I have newer seen anything like that before.  I must admit
>I'm
>a bit of a tool buff. And that one is definitely different.
>
>73-
>Henning

73 de KA0OUV

Timothy A. Raymer
<traymer[at]mail.state.mo.us>                         <RaymeT[at]dhss.mo.gov>
                        <KA0OUV[at]arrl.net>

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[Tom Hammond-3]

Hi Henning:

>I know this is Somewhat off topic but I hope you can help me anyway.
>I saw something on TV yesterday. In a program Ocean county choppers
>they were using a kind of stepped size drill bit. Can anyone help on info
>on this tool as I have newer seen anything like that before.  I must admit
>I'm a bit of a tool buff. And that one is definitely different.

I think it is Orange County Choppers... and the stepped drill bit they were
using is very easily found in the US. I have several of them.

The original drill bit was made under the name of Unibit. They are still
available... these bits are very handy for drilling large(r) holes in thin
metals.

A US-based vendor of low-cost tools (Harbor Freight, www.harborfreight.com)
offers the Unibits in a number of different sizes. Go to
www.harborfreight.com and enter 'step drill' for SEARCH criteria. You will
find a number of both Unibit products AND some made in China. I have both
the Unibit and Chinese bits and they both seem to work well. I have a 3-bit
set of Chinese-made bits, which did not show up on the search, but if you
are interested, I will try to research that set further.

I use step drills quite often. They do not 'bite' into the work as badly as
regular twist drill bits and do a pretty good job of de-burring the holes
they drill (at least from the entry side...) though you will still want to
de-burr the other side of your work.

Unibits are available from many other US vendors, and they are probably
also available worldwide as well.

73,

Tom Hammond   N0SS

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[Leigh L. Klotz Jr WA5ZNU]

I think they are great!  And I am quite fumble-fingered with machine
tools.

See http://tinyurl.com/4erfb for pictures of how
I used a Unibit to make a hole for a BNC connector in a project box.

I also used it to enlarge the un-needed transverter hole for a DC
coaxial power connector for a switched charging jack, but that was a
very close fit to the KBT2. See http://tinyurl.com/4226p
Leigh / WA5ZNU
On Tue, 22 Mar 2005 2:08 pm, Timothy A. Raymer wrote:
> Unibit is the name for that gizmo.
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[Stuart Rohre]

These stepped drill bits are OK for the larger holes you might want to make
in thin metal.  They are sold at Harbor Freight at import prices.  See their
web pages.
72,
Stuart
K5KVH



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