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Carburetor Drill Bits

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Old 04-19-2010, 02:16 PM   #1
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Default Carburetor Drill Bits

I am looking for some precision drill bits (.030-.1 or so) for drilling carburetor air bleeds and verifying orifice sizes. I found some made by Barry Grant. Do you guys have any ideas or recommendations for finding some?

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Old 04-19-2010, 09:12 PM   #2
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I got a set of numbered bits from CarQuest here in town, they were around $95. Check with the local stores.
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Old 04-20-2010, 10:12 AM   #3
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I do work on wargaming models and have picked up a number of precision drill bits from a local model train shop. It's a $2.50 for usually a pair of bits in a bag, manufactured by Walthers. Check for train or hobby stores in your area. This should be a link to a search that shows a portion of their range of precision bits. They do from size 43 to 80, which is .089 down to .014. These bits are the ones I use for hand drilling in a pin vise. They also offer a range of High Speed Steel and Carbon drill bits that run from size 50 to size 80. Here is a search result for, apparently, all of their drill bits.

Last edited by Kotobuki; 04-20-2010 at 10:16 AM.
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