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Compass Marine How To | all galleries >> Welcome To MarineHowTo.com >> Seacock & Thru-Hull Primer/Pre Information > Thread Depth
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12-JAN-2008

Thread Depth

To accurately measure the nominal wall thickness of this 1" thru-hull I first needed to measure the thread depth that had been cut into it. I used the depth gauge of my calipers to figure out the depth of the thread cut. In this photo you'll notice a little tab of metal sticking out the right side of the caliper. That tab of metal was the actual thread depth from the pointed outer surface of the threads to the bottom of the thread valleys.

Nikon D200
1/60s f/4.0 at 70.0mm iso100 hide exif
Full EXIF Info
Date/Time12-Jan-2008 16:12:45
MakeNikon
ModelNIKON D200
Flash UsedNo
Focal Length70 mm
Exposure Time1/60 sec
Aperturef/4
ISO Equivalent100
Exposure Bias
White Balance
Metering Modematrix (5)
JPEG Quality
Exposure Programprogram (2)
Focus Distance

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