Canreef Aquatics Bulletin Board

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- DIY (http://www.canreef.com/vbulletin/forumdisplay.php?f=13)

- - Tap Size (http://www.canreef.com/vbulletin/showthread.php?t=65050)

Dyspnea

06-01-2010 02:21 PM

Tap Size

I'm in the planning stages for a zeo reactor, But I need to find a tap that will thread a hole for a 1/2 threaded PVC fitting. Anyone know the size I need?

I had a tap before however I cannot find it.

Lampshade

06-01-2010 05:44 PM

1/2" pipe has an OD of 0.840" and 14 threads per inch.

The 1/2" NPT tap should be the match
Engineers Toolbox

Good Luck

Dyspnea

06-02-2010 01:54 PM

Thanks

whatcaneyedo

06-02-2010 05:53 PM

Thats exactly what mine says: 1/2 - 14 NPT HSS. I believe an 11/16 drill bit is the best match for the hole before tapping.

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