p strong Thru-Hull Installation Tool nbsp strong p p Thru Hull Installation Tool p p strong The Concept strong p p THT-530 makes the installation of standard GROCO thru-hull fittings possible by a single installer nbsp Slide the thru-hull fitting flanged end first over the tool nbsp It will stop at the proper step nbsp Tie a length of monofilament to the eye and place it into the already-cut hole in the hull of the boat nbsp Apply caulking to the flange of the fitting and pull the fitting through the hole and against the hull from inside the boat nbsp Thread the mono-filament through the locknut or seacock With the fitting pulled firmly against the hull the locknut or the seacock may be screwed onto the fitting p p THT-530 fits GROCO Thru-hull Fitting Sizes from 1 2 through 3 p --- cis2 mmxtmJVt --- br
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