Worlds FASTEST Drill BITS Fiberglass Hole Saw
Probably the best way to drill a hole or cutout in gelcoated fiberglass is with a Dremel and a tungsten carbide rotozip-type bit. Dremels are ( WE ARE MANUFACTURER OF ELECTROPLATED DIAMOND CUTTER SPECIAL FOR FIBERGLASS PULTRUSION PRODUCT We use the Malco HC-1 hole cutter tool to cut perfectly round holes in our boats for speakers and other accessories. Use this 1 Because hole saws rely on a pilot bit to guide them, it's tough to enlarge an existing hole because there's no wood for the pilot bit How to cut perfectly round holes in your fiberglass boat for speakers or other accessories! ...