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Compass Marine How To | all galleries >> Welcome To >> Seacock Backing Plates / Alternate Method / No Through Bolts > Tapping The Backing Plate
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Tapping The Backing Plate

Tapping The Backing Plate

This is fairly straight forward but remember to tap this totally vertical. Avoid over tapping or multiple tries or passes. Each pass will remove more material, once in, once out..

Nikon D200
1/60s f/5.0 at 48.0mm iso280 hide exif
Full EXIF Info
Date/Time09-Apr-2009 13:47:33
ModelNIKON D200
Flash UsedNo
Focal Length48 mm
Exposure Time1/60 sec
ISO Equivalent280
Exposure Bias
White Balance
Metering Modematrix (5)
JPEG Quality
Exposure Programprogram (2)
Focus Distance

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Guest 30-May-2010 00:02
To ensure your tap starts vertical, you can put it in your drill press chuck and turn the chuck slowly by hand. Once there are a few threads cut, you can transfer the tap to a regular hand-held tap wrench.