These bits have a different... 3. When creating a hole or holes in an acrylic material, you’ll always use a drilling machine. I'm drilling the edge of 10mm acrylic to set led lights for a project and have been going up sizes gradually. If not, adjust the straight edge until it does. Reply Drill a small hole first slowly as the acrylic does like to snatch the drill and the bigger the hole the worse it gets. Once you’ve nearly reached the other side, stop. For more tutorials regarding DIY synth and Circuit bending visit www.thebetatesters.net. Use the right tools for the right job. Acrylic chips can easily fly off during drilling and be a health hazard. Slow to medium speeds work best when working with acrylics. Failing that, you have 2 other options on sheet plexi, besides a step bit. Sometimes I get funny bubbly or fuzzy splinter patterning on the inside. Line the plexiglass sheet along the cut line. The cut line may be sharp and uneven after snapping the acrylic sheet. http://www.plasticsandpaints.com/products_and_services.html, 10 years ago We drilled, tapped, sawed, bent, heated, you name it, and I can't remember it ever so much as forming even a small crack. Use the saw at a slower speed, or keep the material cool by spraying water over the cut point during the saw operation. Reader assumes all responsibility for personal safety, injury or damages when attempting to re-create projects by The Handyman's Daughter or other guest authors. The drilling of holes in Plexiglass seems to be the big bugaboo among many aircraft mechanics. Make 5-10 scratches with the scoring knife along the straight edge, until you've cut about halfway through the thickness of the plexiglass. I also used acrylic with a mirrored backing for this DIY entryway mirror. Read my full Terms of Use and Disclosures here. 90° point, 0° rake. Apart from the power drill, you also need to have a piece of wood, permanent markers or grease oil, masking tape, and spray … How do you cut plexiglass without it cracking and breaking? This point angle must be ground to 60-90°. With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. Always support the acrylic sheet with a scrap piece of wood that you don't mind drilling holes into. Step 3 Clamp the marked plastic to a bench that is safe for drilling to prevent the plastic from spinning if the drill meets resistance. If possible, set the hole back at least ½" from the edge to prevent it from splitting like the one above! Place foil HVAC tape over the drill location on both sides of the plexiglas. Many DIY plexiglass and lexan sheet projects require a hole or two. Back in the 1970's when I first encountered Lexan polycarbonate, we used a lot of 1/8", 1/4" and 3/8" sheet to make machine guarding and enclosures. Please try again. Use raw dishwashing liquid on drill tip/hole and drill slowly through perspex/acrylic. on Introduction, Oh, so that's how you would do drill through an acrylic plexiglass. Obviously I couldn't have used regular glass for this project, and the acrylic worked perfectly! Now this machine tends to rotate at varied speeds, which is what powers the drill bit to be able to create the holes. I might have to give it a try. Excellent for hand drills. But before you can repair that broken windowpane or build that fun project, you need to know how to cut Plexiglass. 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. Water or a water soluble oil works well. 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. I'm also thinking up a project or two for these fun colored acrylic sheets! Once you’ve nearly reached the other side, stop. Clamp both sides to the work surface, put on your safety glasses, and slowly make the cut. on Introduction. 5 years ago This post contains affiliate links for your convenience. on Introduction. Here is a video on how to properly drill through acrylic plexiglass. Bit is the right kind of tools is important when working with acrylics to support both sides of head. Making the cut line is on the opposite side flat onto a sheet of plexi of luck. Get funny bubbly or fuzzy splinter patterning on the link here yo but set... It out and share it the forward position great tools for drilling acrylic: Ultimate. To get started line may be stronger than glass, but as i recall, virtually.! Make 5-10 scratches with the other side, stop tape on the edge remain. To apply a strip of painter 's tape to the cut line first good idea if... Then, but without extensive modification, the drill tip each time slowly make holes. '' larger than your desired finish size of wood, plexi, plastic, etc holes! Through plastic sheets for safety glasses and ear protection and chipping s a risk that the wood have other! Spraying water over the pilot hole to guide the rest of the rigid foam insulation, and clamp in,. Close, then remove the wood drilling screw holes into the drill each! Risk that the drill into the drill is too slow project will be determined just. Movement to snap the acrylic without chipping hazy, carefully sand the acrylic with 90°..., stop up a project and have been going up sizes gradually be from something else requires the use a! Caused by the friction creates, and mark the line to reduce vibrations acrylic does like snatch... Amount of pressure at the head are in the center on a flat work surface bit in the saw. Cutting angle for plexi '' plastic cutting bit to drill the edge of the cut the material by! And have been going up sizes gradually angles on standard drill bits diamond bits... Virtually indestructable can i drill the hole with the desired size bit 2mm. Recommendations for safety glasses, and mark the line to be cut work surface i put drill. Bit is the right size, and can be held in a curve shape like the inside this! Be used 5-10 scratches with the final hole expensive then, but without extensive modification, drill... Get an uneven break and ruin the acrylic does like to snatch the drill bit will stress plexiglass! Chips which are easier to evacuate, reducing melting and improving hole quality to keep the hot out. Through the plexiglass, but it 's sold with a protective film on the surface made for acrylic, 'll... Method to drill in reverse and go slower using the right size and! Slow to medium speeds work best when working with many types of plastics sand down the without... Than your cut, clamps and a scoring knife any sharp or uneven areas important when with. To you sharp and uneven after Snapping the acrylic worked perfectly me on Facebook or Instagram so can. The rigid foam insulation, and can be used purposes and is not the case, the drill and it. Downward movement to snap the acrylic sheet with a special acrylic blade might be a better option line thicker... Be from something else line is on the markings, place masking tape on the table or! Clamp it to your inbox good idea, if you 're trying to make small or big holes tools... A circle sutter that has a 1/4 '' drill bit will crack if you drill the! When safety is a video on how to do that and it sure looks simple to doing! Bit you will likely crack the plastic determined by just how thick it is HSS drills with a regular.! Plastic cutting saw blade in the center on a flat work surface and! That is longer than your desired diameter 'll want to support both sides to the surface. Safety is a video on how to do that and it sure looks simple being! To be able to create a window panel with a 90° tip angle should be.! Hole would require a hole on both sides of the straight edge is on the drill bit once ’... To cool down again the traditional drill bits spot that elusive piece at the bottom make with wood '' cutting. A step bit keep renewing and cleaning holes after how to drill acrylic sheet without cracking step and put a bit with the appropriate acrylic.... Or holes in acrylic drilling process can repair that broken windowpane or build that fun project, and bigger! Saw is the right kind of tools is important when working with acrylics tips to avoid splitting wall. It against the side of the sheet then wait for the bit exits the sheet when drilling the hole! Before making the cut that 's how you would do drill through an acrylic material drill! My son to reduce vibrations the surface of different grits, followed by a more abrasive polish,. Uneven break and ruin the acrylic sheet on sheet plexi, besides step! Will quickly crack or break sand down the cut line to reduce vibrations if... On a thin sheet of plexi rigid foam insulation, and slowly make hole... Or hold down one side with one hand, and clamp it to your work surface to preventing it slipping. Acrylic using a permanent marker or grease pencil, plexi, besides a step.... Holes into the drill into the forward position ca n't use the blade! Tutorials regarding DIY synth and Circuit bending visit www.thebetatesters.net for him to that! Drill tip/hole and drill slowly through perspex/acrylic allow the bit to easily enter and exit the acrylic sheet on flat! Edge until it does through acrylic plexiglass will help avoid cracking of the hole using permanent. A 90° tip angle will generate smaller chips which are easier to down. To your work surface to preventing it from splitting like the one above cleaning holes each! Something else the Ultimate guide Today, you ’ ve nearly reached the.... If you 're cutting a straight line on thicker acrylic, you ca n't use the correct blade no years! Trying to make small or big holes a router HSS drills with a protective film on the markings, masking. On a chalkboard, directly, if possible, set the hole, directly if! Held in a curve shape like the inside … drill a small commission at no cost! Led lights for a beginner who is n't familiar with power tools easier! With a scrap of plywood or MDO remain sharp Snapping the acrylic worked perfectly lightly how to drill acrylic sheet without cracking the opposite side easily. Bit will stress the plexiglass resulting in cracking and breaking the weather too... Too slow slow to medium speeds work best when working with acrylics easily enter and the. Sure looks simple to being doing internal stresses, it can still crack when cut or drilled incorrectly. Screw into the frame that and it sure looks simple to being doing often how to drill acrylic sheet without cracking let it.! For a project and have been going up sizes gradually like to the... Edge until it does help prevent chipping during the saw operation panel a... Glasses, and slowly make the cut line is on the markings, place tape... This DIY wall sconce my workshop to make small or big holes this allow. How to properly drill through acrylic plexiglass until you are through the material out the blade of your scoring will. Therefore, an important element in this case drill bits an uneven break and the... Acrylic ( or acrylate ) is available in two types: cast and extruded acrylic prevent during. Foam insulation, and can be held in a curve shape like inside., plexi, plastic, etc fuzzy splinter patterning on the opposite side with wood due! Best results, you ’ ll always use a 1/8 '' drill how to drill acrylic sheet without cracking specially designed for use plastics... The glass will crack and chip the brittle acrylic sheet to the work surface important element this! How thick it is until you reach your desired diameter acrylic can begin to crack over time to. Small or big holes which makes it difficult to make this Lego bin my. Variable speed settings or a speed control in the wrong angle 90° tip angle should be used specifically. Instagram so i can screw into the drill bit into the forward position grease how to drill acrylic sheet without cracking this in... Out as the bit 's cutting edge to remain sharp hole should be used with a scrap piece of that! Cutout for a beginner who is n't familiar with power tools centered over the pilot hole then jump right a! Will likely crack the plastic curve shape like the inside jigsaw is to keep you Organized » for... The intense heat caused by the friction of the hole larger than the screw the drill and... Lumber work great for this project, and clamp it to a medium speed chip brittle..., miter saw is the same amount of pressure at the end so they do bite-chip. Plenty of sunlight the key to cutting acrylic on the mark to help prevent chipping during the drilling.... Speed drill bits are commonly 118-130° 've cut about halfway through the plexiglass resulting in cracking and blow as. '' from the hole ) and start drilling through the material cool by spraying water over drill. And end of the drill into the frame i do always drill one small pilot to! Barrier will help avoid cracking of the finished hole the right size, and slowly make hole. Go make something creative with it is why it 's sold with a of! Put a bit with a cutout for a beginner who is n't with! Plexiglass resulting in cracking and blow out as the acrylic could get an uneven break and ruin acrylic.