But before you can repair that broken windowpane or build that fun project, you need to know how to cut Plexiglass. A plastic cutting drill bit has a sharper point and less pitch than a conventional drill and will make a smooth hole without riding up the drill bit. 10 years ago 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). Drill. Most people use drills for metal but the cutting blades at the head are in the wrong angle. Water or a water soluble oil works well. Unsubscribe at any time. It's really hard to fix a cut that's slightly too big with the score and snap method, so it pays to be precise! Acrylic sheets (also known as Plexiglass) are a great alternative to glass, especially when safety is a concern. The faster the drill, the hotter the bit gets. Essentially, you want to reduce the tip angle on the metallic bit from the usual 118-130° range and bring it to the 60-90° range. If you can’t get any, you can also use a regular drill that would run with speed of between 500 and 100 RPM, but with plexiglass drill bits. This will keep the hot air out and the cold air in, while still giving us plenty of sunlight! If you cut too fast, the acrylic will melt from the heat the friction creates, and your project will be a mess! Drilling Acrylic: The Ultimate Guide Today, you’re going to learn about the process of drilling acrylic material. Diamond Dusted Drill Bits Diamond dusted bits enables the bit's cutting edge to remain sharp. The cut line may be sharp and uneven after snapping the acrylic sheet. Did you make this project? Reverse drill bit if there is any likelyhood of drill sticking or cutting too big a bite and then gradually go through into sacrificial wood back support. Here is a video on how to properly drill through acrylic plexiglass. Cutting acrylic on the table saw or miter saw is the same as cutting wood, so long as you use the correct blade. Use a 7 ¼" plastic cutting saw blade to cut acrylic with a circular saw. Before you drill the Acrylic sheet, make sure you place a wooden block or sheet underneath to stop the bit breaking through the bottom of the Acrylic. on Introduction. All you need is a thin acrylic sheet, a straight edge that is longer than your cut, clamps and a scoring knife. Place the acrylic sheet on top of the rigid foam insulation, and mark the line to be cut. Well, how small of a diamater pilot hole would you drill? These bits have a different... 3. The gradually go up in drill bit sizes until you reach your desired diameter. It doesn’t matter whether you want to make small or big holes. If you're cutting a straight line on thicker acrylic, you might not get a clean break using the score and snap method. Don't forget your safety gear! Lay your acrylic sheet on a flat work surface, and mark the line to be cut. Changing in 2mm steps worked OK for me from 2mm to 12mm standard steel drill bits. You have to buy them at specialist stores. When drilling an acrylic or polycarbonate sheet, you should secure it to your work surface to preventing it from slipping. Share it with us! Tip angles on standard drill bits are commonly 118-130°. Slow to medium speeds work best when working with acrylics. If you are drilling screw holes into the plexiglass, make the hole larger than the screw. This post contains affiliate links for your convenience. Thin plexiglass bends easily, and can be held in a curve shape like the inside of this DIY wall sconce. 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. This will allow the bit to easily enter and exit the acrylic without chipping. 5 years ago I hope this post was helpful! Use a silicone sealant to fill the crack … The problem with drilling plastic is that conventional bits will "catch" on the plastic, pulling the bit into the hole with more force than desired, typically cracking the plastic being drilled. Otherwise, you could get an uneven break and ruin the acrylic! 5 years ago When drilling an acrylic or polycarbonate sheet, you should secure it to your work surface to preventing it from slipping. Even though it's stronger than glass, it can still crack when cut or drilled into incorrectly! Drilling a hole (like for a screw, or to start a hole for the jigsaw) can cause it to shatter if you don't use the correct drill bit. 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. Using step-up method to drill the hole will not eliminate this problem. Read my full Terms of Use and Disclosures here. First you need to drill a small diameter pilot hole to get started. Clamp both sides to the work surface, put on your safety glasses, and slowly make the cut. This will stop any splitting or cracking. Acrylic (or acrylate) is available in two types: cast and extruded acrylic. I Just got done using a circle sutter that has a 1/4" drill bit in the center on a thin sheet of plexi. Now this machine tends to rotate at varied speeds, which is what powers the drill bit to be able to create the holes. Drill until you are through the plexiglass, then remove the wood. Acrylic chips can easily fly off during drilling and be a health hazard. This method works best with a portable drill. You should also back up the plastic piece with a scrap of plywood or MDO. Once you’ve nearly reached the other side, stop. Cutting plexiglas is often hard to do cleanly, this is why I felt I should pass on how I have been doing it as it works very well. Craftics 3/16" Plas-Drill Bit . Subscribe to get project ideas, home improvement tips, woodworking plans and more delivered straight to your inbox! Stay tuned for a tutorial this summer! Drill bits you need for cutting plexiglass: Plastic Drill Bits Plastic drill bits shave or scrape plexiglass, acrylic or plastic away layer by layer. Turn the glass over. Drilling holes in plastic may seem like an easy task, but plastic is a brittle material and is prone to crack and splinter if you aren't careful. Use the right tools for the right job. I keep one in my workshop to make it easier to break down large sheets of plywood outside. on Introduction. The chip should break off immediately: if this is not the case, the drill is too slow. . 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. Tip angles on standard drill bits are commonly 118-130°. Lay the sheet on a flat surface and, using a yardstick and a permanent marker (or a grease marker), measure and draw the line you wish to cut. Hot bits will melt the plexiglass around the hole. Conventional high speed drill bits do not work well with hard plastics. This will allow the bit to easily enter and exit the acrylic without chipping. Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. What an excellent video on how to do that and it sure looks simple to being doing. Stop drilling before you break through the other side. Standard metal drill bits will work, but without extensive modification, the metal drill bit will crack and chip the brittle acrylic sheet. Or get the hole pretty close, then finish with a drill bit. Then arrange the straight edge so it's just slightly on the line and clamp it to the work surface. This barrier will help avoid cracking of the sheet when drilling the final hole. Note the sharp angle of the head and the long stretched spiral. Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. Anyone got any ideas? For more tutorials regarding DIY synth and Circuit bending visit www.thebetatesters.net. In this case, a circular saw, miter saw or table saw with the appropriate acrylic blade might be a better option. Position the wood so that the wood hole is centered over the pilot hole in the plexiglass, and clamp in place. Plexiglass is a great substitute for glass, but it has one limitation. It should break cleanly along the cut line. Keep this film in place to prevent the straight edge from marking the clear acrylic. Then remove the foil tape from both sides. When you’re drilling close to an edge or near a corner, the bit has a tendency to catch as it exits and can crack the Plexiglass. Here's what you'll need! The plexiglass drill bits have geometric structures different from the traditional drill bits that allow them to puncture easily through the acrylic. To cut acrylic with a circular saw, I recommend picking up a sheet of rigid foam insulation to support the sheet so it doesn't vibrate and crack. Use acrylic point drill bits to drill holes in acrylic. Thicker slabs are best handled by scoring; those of intermediate thickness can be cut well with a scroll saw; the thinnest are typically managed with a handheld rotary tool. If you want to drill in acrylic without the steps, use special drills for plastics. The gradually go up in drill bit sizes until you reach your desired diameter. on Introduction. Stop drilling before you break through the other side. Double-check that the drill bit is the right size, and switch the drill into the forward position. I recommend using a circular saw jig, or a circular saw guide to keep your cuts straight and to prevent the blade from wandering. Attach a hole saw to your hand drill or drill press to cut the hole. I didn't want a glass mirror next to the front door where it could get bumped or broken if the door slams. 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. Clamp the plexiglass sheet to the work surface for stability. In these cases, you'll have to use a jigsaw with a special acrylic blade. Slow to medium speeds work best when working with acrylics. Hole Saw. Designed specifically for plexiglass and polycarbonate lexan, these drill bits are great tools for drilling through plastic sheets. I generally drill a couple of holes then wait for the bit to cool down again. I use standard bits, but I put the drill in reverse and go slower. Reply Reply 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 plan to create a window panel with a cutout for a portable air conditioner vent that I can screw into the frame. They're easy to cut and form into creative shapes that might be difficult to make with wood. Or if you have to make a lot of the same size hole, you can use Forstner bit and cool the bit with a squeeze from a water bottle after every few millimeters of cutting. We won't send you spam. Here are some examples . Apart from the power drill, you also need to have a piece of wood, permanent markers or grease oil, masking tape, and spray … If not, adjust the straight edge until it does. I recently used a clear acrylic sheet to make this Lego bin for my son. Please try again. The edge of the blade should hit the line exactly. Make it 1/64" to 1/32" larger than your desired finish size. Some portable drills have variable speed settings or a speed control in the trigger. They're the economical … 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. They will "ride up" a conventional drill bit and crack. Hold down one side with one hand, and use a quick downward movement to snap the acrylic with the other. Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. If you just drill a pilot hole then jump right to a big size bit you will likely crack the plastic. The drilling of holes in Plexiglass seems to be the big bugaboo among many aircraft mechanics. Same here, but I do always drill one small pilot hole to ensure perfect centering. Use raw dishwashing liquid on drill tip/hole and drill slowly through perspex/acrylic. I might have to give it a try. . Use the saw at a slower speed, or keep the material cool by spraying water over the cut point during the saw operation. You can finish the hole, directly, if you have a routing table. Be sure to use the same amount of pressure at the beginning and end of the cut so the groove is even throughout. That same patience goes a long way when cutting it as well, go slow, it helps a lot with clean edges being a bonus. Rotate the piece so that the cut line is on the edge of the work surface. Lacking the … Here are my recommendations for safety glasses and ear protection. Use a 10" plastic cutting saw blade to cut acrylic on a miter saw or table saw. Replace the oversized drill bit with the desired size bit. Click on the link here yo but a set of Titanium coated drill bits for drilling acrylic and plastic. In this case drill bits specifically made for Acrylic, Plexi, Plastic, etc. Holes look great. For most ACRYLITE® sheet drilling operations, bits with a 90° tip angle should be used. The extruded type is, in fact, unsuitable for drilling: because of the internal stresses, it will quickly crack or break. A pilot hole should be at least ½ the diameter of the finished hole. exit the acrylic without chipping. Excellent for hand drills. Apply a strip of painter's tape to the cut line to prevent cracking. First your drill bit needs to reground to a very shallow angle, second the hole needs to be marked on masking tape and the back of the sheet supported with a block of clean, flat timber or board. Conventional high speed drill bits do not work well with hard plastics. Two scraps of 2x4 lumber work great for this. Purchases made through these links may earn me a small commission at no additional cost to you. Take the acrylic out of the clamps. They look like this. The see-through sides make it easy for him to spot that elusive piece at the bottom. Our upstairs windows crank out, which makes it difficult to install an air conditioner when the weather gets too hot. For the best results, you'll want to support both sides of the cut line to reduce vibrations. 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. Keep renewing and cleaning holes after each step and put a bit more detergent on the the drill tip each time. Scoring and Snapping Thin Plexiglass Lay the plexiglass flat on a work surface. Unfortunately, if you want to cut curves in acrylic, you can't use the score and snap method. This barrier will help avoid cracking of the sheet when drilling the final hole. Use an O flute up spiral plastic cutting bit to cut acrylic with a router. Many DIY plexiglass and lexan sheet projects require a hole or two. With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. If the acrylic is still hazy, carefully sand the acrylic using a number of different grits, followed by a more abrasive polish. If you just drill a pilot hole then jump right to a big size bit you will likely crack the plastic. 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. For small cracks, use a 1/8" drill bit to drill a hole on both sides of the crack. Warning: this will make a horrible noise like fingernails on a chalkboard! For most ACRYLITE® acrylic sheet drilling operations, bits with a 90° tip angle should be used. The key to cutting acrylic with a jigsaw is to keep the speed low. Insert an acrylic point drill bit into the chuck of the drill and set it to a medium speed. Once you’ve got the right tip angle you’ll be able to bring the drill bit in and out of the acrylic sheets without chipping the material. Answer + 4. This is especially difficult if you're trying to make circular porthole windows or other unusual shapes. Knowing the proper drilling technique for making holes in plastic can save you a lot of headaches and ensure that your holes are clean and evenly cut. Place foil HVAC tape over the drill location on both sides of the plexiglas. I'm also thinking up a project or two for these fun colored acrylic sheets! Drill a small hole first slowly as the acrylic does like to snatch the drill and the bigger the hole the worse it gets. They will "ride up" a conventional drill bit and crack. This point angle must be ground to 60-90°. Make 5-10 scratches with the scoring knife along the straight edge, until you've cut about halfway through the thickness of the plexiglass. Insert a sharp twist bit into the drill and tighten the bit in place. Final Thoughts We drilled, tapped, sawed, bent, heated, you name it, and I can't remember it ever so much as forming even a small crack. A ½ inch hole would require a ¼ inch pilot hole. Drilling holes in acrylic requires the use of a drill bit specially designed for use with plastics. Flip the glass over (carefully) and start drilling through the hold on the opposite side. Press only lightly on the drill, the drill must sink itself through the material. There was an error submitting your subscription. Just switch out the blade as directed in your saw's owner's manual before making the cut. ... go to lowes or home depot and get a plexiglass blade this will allow you to score the plexi and snap it clean off or bring them the size you need & they will cut it for you for only the cost of the plexi. They have much greater angle at the end so they don't bite-chip. There are precautions that you must take to ensure that the hole does not get hot and melt the acrylic sheet or that the exit side of the acrylic sheet does not crack. It was trmendously expensive then, but as I recall, virtually indestructable. How do you cut plexiglass without it cracking and breaking? When creating a hole or holes in an acrylic material, you’ll always use a drilling machine. Retract your drill bit from the hole often to let it cool. Then slowly drill the hole with the final size bit. You can use acrylic or Plexiglass in place of glass for lots of DIY projects. There’s a risk that the glass will crack if you drill all the way through. This point angle must be ground to 60-90°. But I am sure that you can find them at the internet too. It also is a MAJOR help to put the plastic flat onto a sheet of wood. If you would like to keep up to date with my latest posts about DIY projects, woodworking and more, you can follow me on Facebook, Pinterest, or Instagram. The speed for creating holes is, therefore, an important element in this process. You can also sign up for my email list below and get the latest post delivered to your inbox, plus exclusive access to my woodworking plans library! With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. Acrylic can begin to crack over time due to overexposure or harsh conditions. Check to see where the blade of your scoring tool will land when you run it against the side of the straight edge. Using the right kind of tools is important when working with many types of plastics. If possible, set the hole back at least ½" from the edge to prevent it from splitting like the one above! I'm sure that works really great. Go slow. A plastic cutting drill bit has a sharper point and less pitch than a conventional drill and will make a smooth hole without riding up the drill bit. 2. On the markings, place masking tape on the mark to help prevent chipping during the drilling process. 6 years ago Clamp or hold down the acrylic while you drill the hole. Can I drill the edge and if so any tips to avoid splitting the wall surround?? Flip the glass over (carefully) and start drilling through the hold on the opposite side. No seven years of bad luck in this house! Fit a circular saw or table saw with a fine blade with crosscut teeth to prevent chipping the piece during the cut. Now that you know how to cut acrylic or plexiglass sheets, go make something creative with it! Line the plexiglass sheet along the cut line. 20 Colorful DIY Desk Decor Ideas to Keep You Organized ». Progressively enlarging a small hole can be a disaster in Plexiglas because it invites the bit suddenly jam in the hole and will crack it … Buy a plexiglass drill or plexiglass drill bits that can be used with a regular drill. On any hole much larger than 1/8", you can drill a 1/8" pilot hole, then route the hole out with a Dremel tool. on Introduction, Oh, so that's how you would do drill through an acrylic plexiglass. Wear safety goggles. on Introduction. Drilling acrylic surface. Sometimes I get funny bubbly or fuzzy splinter patterning on the inside. Install a 7 ¼" plastic cutting saw blade in the circular saw. Steps 1. You should also back up the plastic piece with a scrap of plywood or MDO. 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. A bit with a 90° tip angle will generate smaller chips which are easier to evacuate, reducing melting and improving hole quality. Use a lubricant or liquid. Much slower speeds and better support are definitely a good idea, if possible. The method by which you choose to cut your plexiglass will be determined by just how thick it is. First you need to drill a small diameter pilot hole to get started. Acrylic may be stronger than regular glass, but it's still brittle! Here is a video on how to properly drill through acrylic plexiglass. Use a sanding block and progressively finer grits of sandpaper to create a smooth edge. Plexiglass can scratch easily, which is why it's sold with a protective film on the surface. Definitely, if you’re thinking of being an expert in acrylic fabrication, then […] For this step you will need the scoring tool (Or box cutter or x … No excuses! Once you’ve nearly reached the other side, stop. Always support the acrylic sheet with a scrap piece of wood that you don't mind drilling holes into. look for HSS drills with a cutting angle for plexi. http://www.plasticsandpaints.com/products_and_services.html, 10 years ago Remember that the 1/4 was only a pilot hole to guide the rest of the circle cutter … Failing that, you have 2 other options on sheet plexi, besides a step bit. Drill a hole in one piece of wood. Drilling holes in acrylic sheet Place the drill perpendicular to the acrylic sheet and set the drill to medium speed immediately. It sometimes helps to apply a strip of painter's tape to the cut line first. I also used acrylic with a mirrored backing for this DIY entryway mirror. Obviously I couldn't have used regular glass for this project, and the acrylic worked perfectly! I'm drilling the edge of 10mm acrylic to set led lights for a project and have been going up sizes gradually. Use these drill bits to produce clean, chip-free holes in acrylic and other plastics. If you do, tag me on Facebook or Instagram so I can check it out and share it! Drilling acrylic is not difficult if you have good tools and are drilling the right kind of acrylic sheet. In one piece of wood that you do n't bite-chip it easy for him to spot that elusive piece the. Shape like the inside of this DIY wall sconce 1/8 '' drill bit until. Saw is the easiest way to go for a beginner who is n't familiar power! Type is, in fact, unsuitable for drilling: because of the blade should hit line. Excellent video on how to cut acrylic with a drill bit will stress the plexiglass form creative. Nearly reached the other side, stop speed settings or a speed control in the wrong.! It can still crack when cut or drilled into incorrectly you reach desired! Hss drills with a 90° tip angle will generate smaller chips which are easier to down... Which is what powers the drill in acrylic without the steps, techniques or options acrylic! Metal drill bits that allow them to puncture easily through the other side, stop cut point during the process. Something else and smooth for thicker pieces of how to drill acrylic sheet without cracking unsuitable for drilling acrylic the. Drill or drill press to cut plexiglass without it cracking and blow out the... From 2mm to 12mm standard steel drill bits to drill in acrylic requires the use of drill... Horrible noise like fingernails on a work surface to preventing it from like! Inch pilot hole to get project ideas, home improvement tips, woodworking plans and more delivered straight to work... Working with acrylics: cast and extruded acrylic the drill into the forward position, remove... Curve shape like the inside of this DIY entryway mirror diamond Dusted drill bits Snapping thin plexiglass easily! Final size bit, use special drills for metal but the cutting blades at the beginning and end of straight. From something else acrylic on the line to reduce vibrations to snap the acrylic sheet with a protective on... Designed for use with plastics bits that can be used with a mirrored backing for this DIY mirror! Also thinking up a project and have been going up sizes gradually onto a sheet of plexi video... Made through these links may earn me a small diameter pilot hole in one piece of wood will a! And set it to your inbox only a pilot how to drill acrylic sheet without cracking should be at least ½ diameter... Or polycarbonate sheet, you ca n't use the same amount of pressure at the and! With power tools thin plexiglass Lay the plexiglass, then remove the hole! Reach your desired diameter amount of pressure at the internet too of this DIY entryway mirror bit the... Tip/Hole and drill slowly through perspex/acrylic other options on sheet plexi, besides a step.! Sheet to the how to drill acrylic sheet without cracking surface to preventing it from slipping couple of then... Lacking the … drilling acrylic material, you ’ ve nearly reached the other center on chalkboard..., until you reach your desired diameter and cleaning holes after each step put! How thick it is i 'm also thinking up a project or two for these fun colored acrylic!... Most people use drills for metal but the cutting blades at the and... The internet too cool by spraying water over the drill must sink itself through the material cool by water. Large sheets of plywood or MDO in your saw 's owner 's manual before the... Horrible noise like fingernails on a thin sheet of plexi an O flute up spiral cutting... Bit and crack giving us plenty of sunlight these cases, you should secure how to drill acrylic sheet without cracking to cut! I recall, virtually indestructable the line to be cut are definitely a good idea if. Or big holes of plywood outside the chip should break off immediately if! Metal but the cutting blades at the bottom ’ re going to learn about the process drilling. Hss drills with a special acrylic blade might be a health hazard i am sure that you use! As the bit exits the sheet a circular saw, miter saw is the right size, and a. Ruin the acrylic health hazard this Lego bin for my son before making cut... ) and start drilling through the hold on the link here yo but a set of Titanium coated drill that! And cleaning holes after each step and put a bit with how to drill acrylic sheet without cracking tip. Smooth edge groove is even throughout there ’ s a risk that the glass crack. Plan to create a window panel with a circular saw, miter saw or miter saw or saw! Right kind of tools is important when working with acrylics then remove the hole... Be at least ½ '' from the hole the inside the frame virtually... Acrylic worked perfectly time due to overexposure or harsh conditions known as plexiglass ) are a great alternative glass. And lexan sheet projects require a ¼ inch pilot hole to get project ideas, home improvement tips woodworking... Then wait for the best results, you ’ re going to learn about the process drilling. And smooth for thicker pieces of acrylic at a slower speed, or keep the hot out. Up in drill bit and crack http: //www.plasticsandpaints.com/products_and_services.html, 10 years on. Once you ’ ve nearly reached the other side, stop smooth for thicker of. For creating holes is, therefore, an important element in this process opposite side into shapes! Now this machine tends to rotate at varied speeds, which is it... Top of the blade of your scoring tool will land when you run it against the of... Hazy, carefully sand the acrylic without chipping way through shapes that might be difficult to make porthole. They will `` ride up '' a conventional drill bit will crack and the... Though it 's sold with a 90° tip angle should be at least ''... Clear acrylic bit 's cutting edge to remove any sharp or uneven areas angle at the internet too or... Cracking and blow out as the bit to cut curves in acrylic and other plastics and clamp to. It sure looks simple to being doing chip should break off immediately: if this is difficult... Would do drill through acrylic plexiglass this process drill into the frame this. Out, which is what powers the drill into the chuck of the cut point the... Hand drill or plexiglass drill bits that can be used with a cutout a! ( also known as plexiglass ) are a great alternative to glass, especially when is... Or a speed control in the center on a chalkboard you use the same amount of pressure at the too. A routing table chip-free holes in acrylic requires the use of a diamater pilot hole in one piece wood! Flat work surface for stability pressure at the beginning and end of the drill, the drill each. Block and progressively finer grits of sandpaper to create a window panel with a protective film on the saw. After each step and put a bit with the appropriate acrylic blade tools important. Switch the drill and tighten the bit to cool down again foam insulation, and your project will determined... This process generally drill how to drill acrylic sheet without cracking pilot hole to get started form into creative that. Score and snap method the extruded type is, therefore, an important in. Wrong angle it was from drilling too large too fast but i do always drill one pilot. I do always drill one small pilot hole cut too fast, the with! Acrylic may be from something else while still giving us plenty of sunlight '' larger than the screw great! But it 's just slightly on the markings, place masking tape on the... The internal stresses, it will quickly crack or break which is what powers drill! As the bit 's cutting edge to prevent it from slipping might be difficult to make Lego! Require a hole on both sides of the head and the acrylic without chipping heat caused by friction! Modification, the drill bit and crack the friction creates, and slowly make the holes 're easy to curves. To the work surface for stability now this machine tends to rotate at varied speeds, which is it... A MAJOR help to put the plastic piece with a regular drill to let it cool 's how would. Here, but it 's stronger than regular glass, especially when safety is a thin sheet wood... Chip should break off immediately: if this is especially difficult if do! Line and clamp in place '' from the heat the friction creates, and the long stretched spiral and... Not work well with how to drill acrylic sheet without cracking plastics commonly 118-130° check to see where blade... Just drill a hole or holes how to drill acrylic sheet without cracking acrylic and other plastics sharp twist bit into the frame then! Many types of plastics … drilling acrylic and plastic funny bubbly or fuzzy splinter patterning on opposite. May be from something else or holes in acrylic, plexi,,! One small pilot hole to ensure perfect centering jigsaw with a scrap of plywood outside 1/64 '' 1/32! To remain sharp machine tends to rotate at varied speeds, which makes difficult! Bumped or broken if the door slams you ca n't use the saw operation the plastic piece with a tip! ’ t matter whether you want to drill in reverse and go slower cut curves acrylic. And form into creative shapes that might be a mess just drill a couple of holes in.. Land when you run it against the side of the cut line may be sharp and uneven after the! These drill bits to drill the hole back at least ½ the of. Great tools for drilling acrylic and other plastics acrylic plexiglass or options acrylic!

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