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For coarse threads (13 threads per inch) use a 27/64 drill

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โˆ™ 2012-03-21 23:40:38
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Q: What size drill bit for a half inch tap?
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What mm size rubber grommet for a half inch drill bit?

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What wood drill bit size would I use for one quarter inch diameter lag screw into 2 pieces 1 AND HALF inch width wood board?

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What does the letter f on a drill bit indicate?

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What size drill bit for a one quarter inch bolt?

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