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Old 11-16-2011, 04:15 PM   #1
Ryan
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Default The Square Drill Bit

Now this, my friends, is lunacy... Despite what the video says, this "drill bit" actually hails from Japan - not China....

To read the rest of this blog entry from The Garage Journal, click here.
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Old 11-16-2011, 04:18 PM   #2
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Default Re: The Square Drill Bit

That is very ingenious!
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Old 11-16-2011, 04:27 PM   #3
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Default Re: The Square Drill Bit

Pretty slick. I don't know if it would be worth the trouble, but it is clever.
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Old 11-16-2011, 04:30 PM   #4
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Default Re: The Square Drill Bit

older as dirt
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Old 11-16-2011, 04:31 PM   #5
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Default Re: The Square Drill Bit

Quote:
Originally Posted by osborn.ozzy View Post
older as dirt
Your point being? Some people haven't seen it yet, so let them enjoy.
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Old 11-16-2011, 04:54 PM   #6
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Default Re: The Square Drill Bit

Quote:
Originally Posted by osborn.ozzy View Post
older as dirt
How does something become older as something else?

Quote:
Originally Posted by Stuey View Post
Your point being? Some people haven't seen it yet, so let them enjoy.
Yeah!

.........

In all seriousness... If it's old, it's old. I've never seen it... and it's my website, so deal with it you driveling swine!

Kidding again... of course... But I've always wanted to say that.

Anyhow, excuse my tardiness to the party.
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Old 11-16-2011, 05:49 PM   #7
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Default Re: The Square Drill Bit

That's really cool! I guess it uses the same principles as the rotary combustion engine.
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Old 11-16-2011, 05:49 PM   #8
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Default Re: The Square Drill Bit

I love things older than dirt. This one is darn impresive.
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Old 11-16-2011, 05:56 PM   #9
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Default Re: The Square Drill Bit

any idea on where you could get one or how much they cost?
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Old 11-16-2011, 05:59 PM   #10
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Default Re: The Square Drill Bit

If you think that's neat, you need to check out How Round Is Your Circle?
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Old 11-16-2011, 06:30 PM   #11
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Default Re: The Square Drill Bit

http://www.garagejournal.com/forum/s...ghlight=square

See above for additional information.

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Old 11-16-2011, 06:35 PM   #12
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Default Re: The Square Drill Bit

I saw several videos of concept animations, but I hadn't seen one that looked like a shippable product.

I wonder how practical that is, it looks like it requires a special head on the spindle.
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Old 11-16-2011, 06:51 PM   #13
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Default Re: The Square Drill Bit

This is old technology, and Western, not Japanese or Chinese, as many of us here have posted. Search this forum or Google, but do your homework. You'll also learn the mathematical principles behind it, which will be worth the exercise.
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Old 11-16-2011, 07:09 PM   #14
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Default Re: The Square Drill Bit

I thought I was older than dirt and I'd never seen one before. Pretty cool.
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Old 11-16-2011, 07:23 PM   #15
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Default Re: The Square Drill Bit

why make square hole for round bolt??
haha seriously what would be the purpose? im just a mechanic so i cant think of anything i would use it for but would like to here what you would do with it??
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Old 11-16-2011, 07:32 PM   #16
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Default Re: The Square Drill Bit

Carriage bolt, no?
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Old 11-16-2011, 07:35 PM   #17
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Default Re: The Square Drill Bit

"hole" for toolbox drawers slides?
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Old 11-16-2011, 08:17 PM   #18
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Default Re: The Square Drill Bit

I've never seen it before. Neither has my dad. My buddies at work have never seen it. Nor has my father in law. My wife and kids haven't seen it. My mom and sister have not seen it before either. The priest at my church said it's new to him. The guys in the Knights of Columbus said they had not seen it before. The autotech teachers at my school said they were not aware of this item. My secretary laughed when I asked her if she had seen a bit that drilled a square hole. The maintenance chief at the school thought I was joking when I told him about a bit that drilled square holes.

So a collective "Thanks" to Ryan for posting this from all of us that have never seen it before.



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Old 11-16-2011, 08:56 PM   #19
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Default Re: The Square Drill Bit

That concept design and product is called a Watts drill. A little pricey for the garage guy, but they can be had. Here is a Swiss made one for the mill: http://www.youtube.com/watch?NR=1&v=3n9kFqfmwoU

Also, for the lathe: http://www.youtube.com/watch?v=Acq7Vuy5wNc

Depending on the part and access to it, most large shops use large hydraulic punches to punch squares. They can also be made with plasma or waterjet. But you cant always access the part that way or punch an odd shape. So, for a small machine shop operation the above method is great. Also, with an undersized round hole drilled in the stock, a good patient craftsman can make a nice square using good quality files.

An arbor press and square cutting broaches that you press into your previously drilled round holes can make squares also.
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Old 11-16-2011, 09:52 PM   #20
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Default Re: The Square Drill Bit

That is just plain cool. I've heard of them before, but never seen one in action. I THINK the unit I heard about was used for wood, however.

I'm curious...I note the "arbor" ocillates heavily...does this require a special machine, or would it work in a large drill press? (Is "ocillate" the right word?)

Very impressive.
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