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BPnet Veteran
Great bit for drilling plastic
I picked up a Unibit #3 last weekend, and it does such a great job making holes in my tubs that I thought I'd share.
It cuts larger and larger holes in steps as the bit moves in, without cracking the plastic. I won't be melting holes in tubs ever again.
http://www.amazon.com/Irwin-10233-Un.../dp/B00004THYZ
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The Following 2 Users Say Thank You to JeffFlanagan For This Useful Post:
Louis Kirkland (03-29-2009),XGetSome (03-29-2009)
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Re: Great bit for drilling plastic
Been using a unibit for years, it is a handy-Jim-dandy tool to have. But I still use a soldering iron for making holes in tubs, it's faster and less mess.
Check out what's available at
"The greatness of a nation and its moral progress can be judged by the way its animals are treated." - Gandhi
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Re: Great bit for drilling plastic
Originally Posted by llovelace
Been using a unibit for years, it is a handy-Jim-dandy tool to have. But I still use a soldering iron for making holes in tubs, it's faster and less mess.
And who doesn't love that burning plastic smell....mmmm mmm good lol
~*Rich
1.0 100% Het Albino
1.3 Normal
1.0 Spider
0.1 Mojave
1.0 Pastel 100% Het Goldfinger
0.1 Pastel 66% Het Goldfinger
0.1 Pastel PH Goldfinger
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Re: Great bit for drilling plastic
I never thought about using a step bit on plastic tubs. You can get a better price at Harbor Freight. http://www.harborfreight.com/cpi/cta...emnumber=91616
Last edited by dsirkle; 03-24-2009 at 02:55 PM.
Do not resuscitate
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Banned
Re: Great bit for drilling plastic
not to change the subject how about drilling in to plexi with out crackin it
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Re: Great bit for drilling plastic
Originally Posted by zombie&lemons
not to change the subject how about drilling in to plexi with out crackin it
Put a board under it so it doesn't have any give, and you can drill right through into the wood without cracking the plexiglass. Just start small or use one of these bits.
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The Following User Says Thank You to PythonWallace For This Useful Post:
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Registered User
Re: Great bit for drilling plastic
Thanks for the tip Jeff. I will need to give it a try.
As far as drilling acrylic, I use a bit that has been reground to a tip angle of 60 degrees versus the standard 120.
http://www.plasticsmag.com/features....sue=Sep/Oct-01
Your best bet though is to buy a bit specifically for acrylics. I use these also and find they work the best. I found these with a quick Google search.
http://www.rplastics.com/plasticdrill.html
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Re: Great bit for drilling plastic
Yeah but they're made in China.
Originally Posted by dsirkle
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BPnet Veteran
Re: Great bit for drilling plastic
Originally Posted by 2kdime
Yeah but they're made in China.
most of them are not made here thanks to free trade
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Registered User
Re: Great bit for drilling plastic
I ordered that bit in a 3 piece set for 32$ off ebay with free shipping, used it tonight....worked great. was waaaaaay fast, and cleanest holes I ever make in plastic. I drilled a few holes in a entire rack today, took 10 minutes to do the entire rack. Thanks for the tip.
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