thread tapping ?

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Nov 7, 2007 | 02:37 PM

#1

CommrclDiver

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Question

thread tapping ?

If I was going to tap a hole for a 7/16" thread what size should I drill out the hole befor tapping?

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Nov 7, 2007 | 04:51 PM

#2

EPNCSU2006

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From: Concord, NC

Coarse or fine thread?

http://www.engineersedge.com/tap_drill_chart.htm

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Nov 7, 2007 | 06:05 PM

#3

CommrclDiver

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It is coarse i think for a rocker arm stud

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Nov 7, 2007 | 09:03 PM

#4

EPNCSU2006

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From: Concord, NC

find the drill size in the chart for 7/16-14 if you're sure it's coarse.

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Nov 14, 2007 | 07:32 PM

#5

projectnitemare

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Do you have a tap set? Most sets come with the proper bit for each tap. If not the chart will tell you.

Matt

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