How to Drill Through Acrylic Plexiglass the Right and Wrong Way





Introduction: How to Drill Through Acrylic Plexiglass the Right and Wrong Way

Here is a video on how to properly drill through acrylic plexiglass. First you need to drill a small diameter pilot hole to get started. The gradually go up in drill bit sizes until you reach your desired diameter. If you just drill a pilot hole then jump right to a big size bit you will likely crack the plastic.

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    Use the right tools for the right job. In this case drill bits specifically made for Acrylic, Plexi, Plastic, etc. They have much greater angle at the end so they don't bite-chip.

    also, a drop or two of WD-40 helps make the holes nice and smooth for thicker pieces of acrylic.

    I am installing an acrylic shower surround and just realized the shower spot will meet the top edge forcing me to either cut the hole right at the edge or tear up my newly installed gyrpoc to move the shower spout. Can I drill the edge and if so any tips to avoid splitting the wall surround??

    It also is a MAJOR help to put the plastic flat onto a sheet of wood. Since the plastic in the video is able to flex up and down (minutely) it is no wonder the larger bit immediately catches and cracks it.

    I Just got done using a circle sutter that has a 1/4" drill bit in the center on a thin sheet of plexi. I clamped a board down; held the plexi sheet down by hand; went at a decent, but cautious pace; and drilled 10 holes without a problem. Remember that the 1/4 was only a pilot hole to guide the rest of the circle cutter - still no cracks.

    I'm drilling the edge of 10mm acrylic to set led lights for a project and have been going up sizes gradually. Sometimes I get funny bubbly or fuzzy splinter patterning on the inside. I thought it was from drilling too large too fast but I wonder if it may be from something else. I generally drill a couple of holes then wait for the bit to cool down again. Anyone got any ideas?

    Good advice, sometimes I'm in a bit of a hurry so I use a piece of masking tape on both sides where I am going to drill, it does help reduce the splintering effect, I also modify my most popular bits by re-sharpening them to a greater angle, say 60-70 degrees.

    Oh, so that's how you would do drill through an acrylic plexiglass. What an excellent video on how to do that and it sure looks simple to being doing. Well, how small of a diamater pilot hole would you drill?

    Ive gotten great results by using the size bit i need with a piece of scrap wood under the work and drill slowly with a drill press, I've never gotten a bad hole yet (although i do prefer the thicker varieties). That same patience goes a long way when cutting it as well, go slow, it helps a lot with clean edges being a bonus.

     Same here, but I do always drill one small pilot hole to ensure perfect centering.

     I'm sure that works really great. This method works best with a portable drill.