Chipping from the drill bit itself gelcoat chips away during screwing. How to drill fiberglass.
How To Drill Holes In Your Boat Bloodydecks
How to drill fiberglass. Drill a small pilot hole in your fiberglass. Increase the rotational speed of the bit. Make an indentation with an ice pick or other suitably sharp object in the exact location where you want to drill your hole. Make it smaller than the finished hole you are planning to drill. Do this to every mark to assure the drill bit goes in at the exact point you want it to. Keep an even forward pressure when the hole saw engages the fiberglass surface.
Planning the install the first step is to determine where the fitting will be installed and as the adage goes. Insert a 1164 inch drill bit preferrably carbide or diamond tipped into a power hand drill and tighten with a chuck. Use a slow. Hold the center 14 inch drill bit of the hole saw perpendicular to the shower wall over the previously drilled pilot holes. Drilling the final hole now. Begin drilling on the slowest speed possible until the drill begins to bite into the fiberglass.
Depress the drills trigger to start drill through the fiberglass. Step 3 put on safety glasses and drill pilot holes on the marks that are half the size of the final holes using an electric drill. 46k subscribers step 1. If you go in to the fiberglass with a regular twist drill a number of things can happen. Put the point of a large nail on the marks and tap it with a hammer forming an indent in the fiberglass. Drilling the pilot hole well the hard work is done now its time to drill the hole.
Step 4 wear protective safety glasses and place the point of the drill bit into the center of each x. 5 when the brad point penetrates the surface on the bottom. Start the drill and gently push forward allowing the drill bit to cut into the material.
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