The hole saw will likely be dull by the time you are done drilling.
Attaching hose bib to metal siding.
From the outside slip on the plastic gasket and push the hose bib through the hole.
Twist the connector on the reel s short hose to the hose bib and fasten the end of the garden hose to.
It slips into the groove between adjoining slats and once it clicks into place you can hang items as heavy as 12 pounds.
My main tool for perfection.
Clean the dust off the siding caulk around the perimeter of the hole then slide your hose bib in and use two 2 stainless steel screws to hold it on.
Predrill a pilot hole for the screws with an 1 8 masonry bit.
Personally i would not use a latex caulking on fiber cement.
The easiest and safest way to hang something from vinyl siding is to use a siding hook.
Then go outside and complete the hole by drilling through the siding.
Drive the appropriate screws through the screw holes and into the wall until they are snug.
Most hooks are stainless steel so they won t corrode and they are easy to remove when you re done with them.