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need help with oil drain fitting

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Old Feb 15, 2014 | 02:56 PM
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Default need help with oil drain fitting
Im getting ready to tap my oil pan with a -10 x 3/8" NPT Screw-In Fitting. Can anyone help me with what size bit I need. Thanks
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Old Feb 15, 2014 | 03:40 PM
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Here ya go
Attached Thumbnails need help with oil drain fitting-image-1850736638.jpg  
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Old Feb 15, 2014 | 04:05 PM
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Thanks man
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Old Feb 16, 2014 | 03:53 AM
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I would step up to a 1/2 npt fitting if you can
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Old Feb 16, 2014 | 01:51 PM
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Originally Posted by eviltwin_1987
I would step up to a 1/2 npt fitting if you can

You dont think 3/8 is big enough? Its only a drain.
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Old Feb 17, 2014 | 05:49 AM
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Originally Posted by rossi89
You dont think 3/8 is big enough? Its only a drain.
Get rid of it as fast and easy as you can. Not much sense in going -10 if you neck it down.
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Old Feb 17, 2014 | 10:50 AM
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I use 1/2 npt tap with 45/64 drill bit
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Old Feb 17, 2014 | 11:03 AM
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Ok thanks for the help everyone. Ill be using the 1/2 to 10an npt fitting instead.
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