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This is probably my favorite tool in my tool box. I looked around for one to buy, but the only ones I could find were magnetic bit holders made with cheap plastic handles so I made my own a couple years ago while attending MMI. Now I finally got around to making the instructable. At the time I made the original I didn't have a welder so I had to find a different way to make it. Figuring others may be in the same boat as I was I'm making this one weld free.

Step 1: What You Need to Get

The T-Handle is made with just a Quick Change extension adapter and a piece of 1/2in bar stock. You will also need a drill with a 1/4in drill bit, a hammer, a hacksaw (not shown), a square or triangle needle file and a deep socket (3/8in to 5/8in).
If you want you can use a magnetic bit extension instead of the quick-change one, the method to make is still the same.

Step 2: Making the Handle

Measure out 7 inches for the handle and cut it off.
Place a mark in the center of the handle.
Drill a 1/4in hole in the center of the handle.
To make drilling into a round steel bar easier you want to score the center with a file and center punch it. (sorry I don't have pictures)
Once the hole is drilled you will need to file the hole to a hex shape. You will want the hole to be slightly smaller than the hex portion of the extension.

Step 3: Attach the Extension

With the handle filed to a hex shape slightly smaller than the extension you will need to heat the handle to hammer it on to the extension. You can use a torch or (my favorite) an electric stove.
Now, very carefully, center the handle over the hex extension and pound on with a hammer.
Once the end of the extension reaches the other side of the hole in the handle use the deep socket over the end of the extension to push down the handle.
Use a grinder or file to file off the end of the extension poking through the handle and to smooth the ends of the handle, removing any sharp edges.

Tip: Use a piece of scrap 2x4 to make a stand to hold the bit extension. A smaller hole is drilled all the way through, just big enough for the bit. Then counter sink with a hole just big enough for the extension. Make sure that when the extension and bit are in the holes the bit sticks out just a little bit (1/8" or less). Place the extra bit in it to keep the head of the extension protected and then place the extension in the hole. The first one's I made I didn't do this and I damaged the Quick Change adapters.

Step 4: Your Done!!

Once the handle cools off you new tool is ready to use.

Coat the handle in Tool-Dip for a professional appearance.

I've also included a picture of a smaller pocket version I made with a 4" handle and a shorter bit driver. Perfect for throwing in a glove box or with a bicycle tool kit.

The nice thing about the quick change adapter is there is a ton of cool bits you can find to put in here beyond just screwdrivers. I recommend checking out the Kobalt Speedfit system for some cool bits.
hey i normally get a 1/4 socket and put a magnet in the bottom and use it in my ratchet<br /> <br /> nice ible<br />
Cool. I have some old bit holders lying about that would be perfect for this.

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