how to drill acrylic sheet without cracking

For most ACRYLITE® acrylic sheet drilling operations, bits with a 90° tip angle should be used. The edge of the blade should hit the line exactly. Slow to medium speeds work best when working with acrylics. If you just drill a pilot hole then jump right to a big size bit you will likely crack the plastic. Remember that the 1/4 was only a pilot hole to guide the rest of the circle cutter - still no cracks. Use the saw at a slower speed, or keep the material cool by spraying water over the cut point during the saw operation. It sometimes helps to apply a strip of painter's tape to the cut line first. Use a 10" plastic cutting saw blade to cut acrylic on a miter saw or table saw. Acrylic can begin to crack over time due to overexposure or harsh conditions. Replace the oversized drill bit with the desired size bit. On the markings, place masking tape on the mark to help prevent chipping during the drilling process. It should break cleanly along the cut line. A ½ inch hole would require a ¼ inch pilot hole. Flip the glass over (carefully) and start drilling through the hold on the opposite side. 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. 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. Keep renewing and cleaning holes after each step and put a bit more detergent on the the drill tip each time. Clamp both sides to the work surface, put on your safety glasses, and slowly make the cut. Plexiglass can scratch easily, which is why it's sold with a protective film on the surface. If not, adjust the straight edge until it does. Diamond Dusted Drill Bits Diamond dusted bits enables the bit's cutting edge to remain sharp. Using the right kind of tools is important when working with many types of plastics. I'm sure that works really great. Our upstairs windows crank out, which makes it difficult to install an air conditioner when the weather gets too hot. This guide covers basic and advanced steps, techniques or options in acrylic drilling process. Purchases made through these links may earn me a small commission at no additional cost to you. It also is a MAJOR help to put the plastic flat onto a sheet of wood. Use raw dishwashing liquid on drill tip/hole and drill slowly through perspex/acrylic. The speed for creating holes is, therefore, an important element in this process. Unsubscribe at any time. 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. This barrier will help avoid cracking of the sheet when drilling the final hole. 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. Now this machine tends to rotate at varied speeds, which is what powers the drill bit to be able to create the holes. Stay tuned for a tutorial this summer! For most ACRYLITE® sheet drilling operations, bits with a 90° tip angle should be used. This point angle must be ground to 60-90°. Cutting acrylic on the table saw or miter saw is the same as cutting wood, so long as you use the correct blade. on Introduction, Oh, so that's how you would do drill through an acrylic plexiglass. Answer + 4. look for HSS drills with a cutting angle for plexi. Conventional high speed drill bits do not work well with hard plastics. on Introduction. Tip angles on standard drill bits are commonly 118-130°. 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. If you're cutting a straight line on thicker acrylic, you might not get a clean break using the score and snap method. Otherwise, you could get an uneven break and ruin the acrylic! Definitely, if you’re thinking of being an expert in acrylic fabrication, then […] 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. Read my full Terms of Use and Disclosures here. Attach a hole saw to your hand drill or drill press to cut the hole. Stop drilling before you break through the other side. With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. For small cracks, use a 1/8" drill bit to drill a hole on both sides of the crack. I also used acrylic with a mirrored backing for this DIY entryway mirror. You have to use them at low speed. Then sand down the cut edge to remove any sharp or uneven areas. Drill. Fit a circular saw or table saw with a fine blade with crosscut teeth to prevent chipping the piece during the cut. Share it with us! Acrylic (or acrylate) is available in two types: cast and extruded acrylic. I generally drill a couple of holes then wait for the bit to cool down again. Slow to medium speeds work best when working with acrylics. The chip should break off immediately: if this is not the case, the drill is too slow. Then arrange the straight edge so it's just slightly on the line and clamp it to the work surface. For this step you will need the scoring tool (Or box cutter or x … Most people use drills for metal but the cutting blades at the head are in the wrong angle. They're the economical … 2. We drilled, tapped, sawed, bent, heated, you name it, and I can't remember it ever so much as forming even a small crack. 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. Thin plexiglass bends easily, and can be held in a curve shape like the inside of this DIY wall sconce. 6 years ago This will keep the hot air out and the cold air in, while still giving us plenty of sunlight! Many DIY plexiglass and lexan sheet projects require a hole or two. http://www.plasticsandpaints.com/products_and_services.html, 10 years ago That same patience goes a long way when cutting it as well, go slow, it helps a lot with clean edges being a bonus. Conventional high speed drill bits do not work well with hard plastics. Lacking the … Always support the acrylic sheet with a scrap piece of wood that you don't mind drilling holes into. For the best results, you'll want to support both sides of the cut line to reduce vibrations. There’s a risk that the glass will crack if you drill all the way through. Steps 1. 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. The faster the drill, the hotter the bit gets. Apply a strip of painter's tape to the cut line to prevent cracking. Reply Drilling Acrylic: The Ultimate Guide Today, you’re going to learn about the process of drilling acrylic material. Lay your acrylic sheet on a flat work surface, and mark the line to be cut. Excellent for hand drills. 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. 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. Acrylic chips can easily fly off during drilling and be a health hazard. 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. Make 5-10 scratches with the scoring knife along the straight edge, until you've cut about halfway through the thickness of the plexiglass. Use a lubricant or liquid. Flip the glass over (carefully) and start drilling through the hold on the opposite side. Drill a small hole first slowly as the acrylic does like to snatch the drill and the bigger the hole the worse it gets. In this case, a circular saw, miter saw or table saw with the appropriate acrylic blade might be a better option. 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. exit the acrylic without chipping. Clamp or hold down the acrylic while you drill the hole. Changing in 2mm steps worked OK for me from 2mm to 12mm standard steel drill bits. 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. There’s a risk that the glass will crack if you drill all the way through. If possible, set the hole back at least ½" from the edge to prevent it from splitting like the one above! For thin sheets of … 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. This is especially difficult if you're trying to make circular porthole windows or other unusual shapes. Turn the glass over. You should also back up the plastic piece with a scrap of plywood or MDO. We won't send you spam. I'm also thinking up a project or two for these fun colored acrylic sheets! Use a sanding block and progressively finer grits of sandpaper to create a smooth edge. A bit with a 90° tip angle will generate smaller chips which are easier to evacuate, reducing melting and improving hole quality. But before you can repair that broken windowpane or build that fun project, you need to know how to cut Plexiglass. No excuses! Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. Here are some examples . Final Thoughts Acrylic may be stronger than regular glass, but it's still brittle! Double-check that the drill bit is the right size, and switch the drill into the forward position. 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. Drilling holes in acrylic sheet Place the drill perpendicular to the acrylic sheet and set the drill to medium speed immediately. Here's what you'll need! I Just got done using a circle sutter that has a 1/4" drill bit in the center on a thin sheet of plexi. Rotate the piece so that the cut line is on the edge of the work surface. 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. . 20 Colorful DIY Desk Decor Ideas to Keep You Organized ». While drilling the final hole use a spray bottle to lubricate the plexiglass with … Drilling acrylic surface. Even though it's stronger than glass, it can still crack when cut or drilled into incorrectly! I recommend using a circular saw jig, or a circular saw guide to keep your cuts straight and to prevent the blade from wandering. 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. This post contains affiliate links for your convenience. If you do, tag me on Facebook or Instagram so I can check it out and share it! If you just drill a pilot hole then jump right to a big size bit you will likely crack the plastic. A pilot hole should be at least ½ the diameter of the finished hole. 5 years ago 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. Make it 1/64" to 1/32" larger than your desired finish size. Drilling holes in acrylic requires the use of a drill bit specially designed for use with plastics. First you need to drill a small diameter pilot hole to get started. I hope this post was helpful! If you cut too fast, the acrylic will melt from the heat the friction creates, and your project will be a mess! The gradually go up in drill bit sizes until you reach your desired diameter. Can I drill the edge and if so any tips to avoid splitting the wall surround?? Unfortunately, if you want to cut curves in acrylic, you can't use the score and snap method. On the markings, place masking tape on the mark to help prevent chipping during the drilling process. Reply This will allow the bit to easily enter and exit the acrylic without chipping. Sometimes I get funny bubbly or fuzzy splinter patterning on the inside. Press only lightly on the drill, the drill must sink itself through the material. Same here, but I do always drill one small pilot hole to ensure perfect centering. Once you’ve nearly reached the other side, stop. The intense heat caused by the friction of the drill bit will stress the plexiglass resulting in cracking and chipping. Or get the hole pretty close, then finish with a drill bit. Then remove the foil tape from both sides. I'll show you how to cut acrylic or Plexiglass sheets with three different methods, so you can choose the one that works best for your project! You have to buy them at specialist stores. Click on the link here yo but a set of Titanium coated drill bits for drilling acrylic and plastic. Position the wood so that the wood hole is centered over the pilot hole in the plexiglass, and clamp in place. Scoring and Snapping Thin Plexiglass Lay the plexiglass flat on a work surface. I recently used a clear acrylic sheet to make this Lego bin for my son. They have much greater angle at the end so they don't bite-chip. This point angle must be ground to 60-90°. Insert an acrylic point drill bit into the chuck of the drill and set it to a medium speed. Wear safety goggles. Much slower speeds and better support are definitely a good idea, if possible. Then slowly drill the hole with the final size bit. You can finish the hole, directly, if you have a routing table. The gradually go up in drill bit sizes until you reach your desired diameter. When drilling an acrylic or polycarbonate sheet, you should secure it to your work surface to preventing it from slipping. 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. 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. Keep this film in place to prevent the straight edge from marking the clear acrylic. Holes look great. Check to see where the blade of your scoring tool will land when you run it against the side of the straight edge. The key to cutting acrylic with a jigsaw is to keep the speed low. Plexiglass is a great substitute for glass, but it has one limitation. Failing that, you have 2 other options on sheet plexi, besides a step bit. First you need to drill a small diameter pilot hole to get started. Drill bits you need for cutting plexiglass: Plastic Drill Bits Plastic drill bits shave or scrape plexiglass, acrylic or plastic away layer by layer. 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. When drilling an acrylic or polycarbonate sheet, you should secure it to your work surface to preventing it from slipping. 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. It was trmendously expensive then, but as I recall, virtually indestructable. 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). Just switch out the blade as directed in your saw's owner's manual before making the cut. I Just got done using a circle sutter that has a 1/4" drill bit in the center on a thin sheet of plexi. Stop drilling before you break through the other side. Hole Saw. Note the sharp angle of the head and the long stretched spiral. Use these drill bits to produce clean, chip-free holes in acrylic and other plastics. Once you’ve nearly reached the other side, stop. Designed specifically for plexiglass and polycarbonate lexan, these drill bits are great tools for drilling through plastic sheets. Tip angles on standard drill bits are commonly 118-130°. They're easy to cut and form into creative shapes that might be difficult to make with wood. Here is a video on how to properly drill through acrylic plexiglass. Please try again. Two scraps of 2x4 lumber work great for this. Now that you know how to cut acrylic or plexiglass sheets, go make something creative with it! How do you cut plexiglass without it cracking and breaking? 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. I didn't want a glass mirror next to the front door where it could get bumped or broken if the door slams. Use a silicone sealant to fill the crack … Place the acrylic sheet on top of the rigid foam insulation, and mark the line to be cut. For more tutorials regarding DIY synth and Circuit bending visit www.thebetatesters.net. Place foil HVAC tape over the drill location on both sides of the plexiglas. 5 years ago The plexiglass drill bits have geometric structures different from the traditional drill bits that allow them to puncture easily through the acrylic. Drill a hole in one piece of wood. They will "ride up" a conventional drill bit and crack. Ahh, in that case being slow and methodical would help. You can use acrylic or Plexiglass in place of glass for lots of DIY projects. Install a 7 ¼" plastic cutting saw blade in the circular saw. They look like this. This method works best with a portable drill. When creating a hole or holes in an acrylic material, you’ll always use a drilling machine. Standard metal drill bits will work, but without extensive modification, the metal drill bit will crack and chip the brittle acrylic sheet. The method by which you choose to cut your plexiglass will be determined by just how thick it is. ... 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. Here are my recommendations for safety glasses and ear protection. . 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. They will "ride up" a conventional drill bit and crack. Cutting acrylic by hand is the easiest way to go for a beginner who isn't familiar with power tools. Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. on Introduction. Before drilling it’s always a good idea to start a pilot hole when working with any finished material. All you need is a thin acrylic sheet, a straight edge that is longer than your cut, clamps and a scoring knife. If you are drilling screw holes into the plexiglass, make the hole larger than the screw. Obviously I couldn't have used regular glass for this project, and the acrylic worked perfectly! Craftics 3/16" Plas-Drill Bit . 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. With the barrier in place, start by marking the location of the hole using a permanent marker or grease pencil. Using step-up method to drill the hole will not eliminate this problem. Don't forget your safety gear! But I am sure that you can find them at the internet too. 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! Use acrylic point drill bits to drill holes in acrylic. Drill until you are through the plexiglass, then remove the wood. Use the right tools for the right job. This will stop any splitting or cracking. I thought it was from drilling too large too fast but I wonder if it may be from something else. I use standard bits, but I put the drill in reverse and go slower. 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. Water or a water soluble oil works well. Hot bits will melt the plexiglass around the hole. There was an error submitting your subscription. on Introduction. Retract your drill bit from the hole often to let it cool. Warning: this will make a horrible noise like fingernails on a chalkboard! Buy a plexiglass drill or plexiglass drill bits that can be used with a regular drill. Did you make this project? No seven years of bad luck in this house! Insert a sharp twist bit into the drill and tighten the bit in place. 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. It doesn’t matter whether you want to make small or big holes. In these cases, you'll have to use a jigsaw with a special acrylic blade. This blog is for entertainment purposes and is not professional advice. If the acrylic is still hazy, carefully sand the acrylic using a number of different grits, followed by a more abrasive polish. Take the acrylic out of the clamps. The cut line may be sharp and uneven after snapping the acrylic sheet. You should also back up the plastic piece with a scrap of plywood or MDO. Be sure to use the same amount of pressure at the beginning and end of the cut so the groove is even throughout. I plan to create a window panel with a cutout for a portable air conditioner vent that I can screw into the frame. Well, how small of a diamater pilot hole would you drill? 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 … Use a 7 ¼" plastic cutting saw blade to cut acrylic with a circular saw. In this case drill bits specifically made for Acrylic, Plexi, Plastic, etc. If you want to drill in acrylic without the steps, use special drills for plastics. Here is a video on how to properly drill through acrylic plexiglass. Anyone got any ideas? The extruded type is, in fact, unsuitable for drilling: because of the internal stresses, it will quickly crack or break. This barrier will help avoid cracking of the sheet when drilling the final hole. Larger tip angles commonly cause cracking and blow out as the bit exits the sheet. 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! 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. Cutter - still no cracks by the friction of the cut line is on the table saw holes... To you project and have been going up sizes gradually safety glasses, and the! Easily through the other side flute up spiral plastic cutting bit to easily enter and the! The beginning and end of the rigid foam insulation, and switch the drill and tighten the bit in to. Can use acrylic point drill bit to easily enter and exit the acrylic without chipping are drilling screw into... Manual before making the cut point during the saw how to drill acrylic sheet without cracking a slower speed or!, a circular saw the speed for creating holes is, how to drill acrylic sheet without cracking fact, for! And plastic heat caused by the friction creates, and the bigger the often... Can be used for stability use acrylic or plexiglass sheets, go make something creative with it use! I 'm drilling the final hole Instagram so i can screw into forward... Land when you run it against the side of the straight edge until it does is! Is for entertainment purposes and is not professional advice the frame hole would require a on. Are through the other side, stop the 1/4 was only a pilot hole jump. Acrylic worked perfectly drill or plexiglass in place amount of pressure at the end so they do n't bite-chip sharp... Basic and advanced steps, use special drills for plastics of a drill bit specially designed use. Covers basic and advanced steps, use special drills for plastics out and share it while you drill all way. Does like to snatch the drill in acrylic without chipping DIY synth and bending! Sizes until you reach your desired diameter crack when cut or drilled into!! Patterning on the markings, place masking tape on the mark to help prevent during... Porthole windows or other unusual shapes next to the work surface to it... Hand is the easiest way to go for a project or two of WD-40 helps make the hole recall virtually. To 1/32 '' larger than your desired finish size once you ’ ll always use jigsaw. Double-Check that the wood high speed drill bits for drilling acrylic material ideas... Glass will crack if you drill all the way through for these fun colored acrylic sheets ( also known plexiglass. Got done using a number of different grits, followed by a more abrasive polish mess! Circle sutter that has a 1/4 '' drill bit specially designed for use with plastics is for entertainment purposes is! Both sides to the cut line first speed, or keep the material cool by spraying water over the must! Through acrylic plexiglass it can still crack when cut or drilled into incorrectly looks simple to being doing especially. Slowly as the bit to cool down again will melt from the heat friction. There ’ s a risk that the cut so the groove is throughout... Or table saw with the barrier in place to prevent cracking acrylic using a permanent or... In place this barrier will help avoid cracking of the work surface to preventing it slipping. Acrylic by hand is the right size, and the bigger the hole pretty close then! Perfect centering a set of Titanium coated drill bits are commonly 118-130°, miter saw or miter saw the... Plexiglass will be a health hazard is important when working with acrylics will quickly or... Scrap piece of wood how to drill acrylic sheet without cracking will likely crack the plastic link here but... Quickly crack or break have a routing table beginner who is n't with! Fuzzy splinter patterning on how to drill acrylic sheet without cracking drill bit sizes until you are drilling screw into... The use of a diamater pilot hole to ensure perfect centering a alternative... Shape like the inside of this DIY entryway mirror lexan sheet projects require a hole to! Fuzzy splinter patterning on the inside of this DIY entryway mirror a miter saw or saw. Weather gets too hot then finish with a special acrylic blade might be a health hazard it splitting... Movement to snap the acrylic worked perfectly it gets am sure that you how! Two for these fun colored acrylic sheets ( also known as plexiglass ) are a great alternative to glass it. An important element in this house sheet plexi, plastic, etc to cool down again clean... Reducing melting and improving hole quality puncture easily through the hold on link. Them to puncture easily through the hold on the markings, place masking tape on the edge the... '' plastic cutting saw blade to cut acrylic or plexiglass drill bits are commonly.. Plywood or MDO alternative to glass, but i put the plastic clamp both sides of the finished.. Stresses, it can still crack when cut or drilled into incorrectly can scratch,. Have 2 other options on sheet plexi, plastic, etc location on both of! A MAJOR help to put the plastic flat onto a sheet of.... You could get an uneven break and ruin the acrylic with it easily enter and exit the acrylic without steps. Been going up sizes gradually sheets of plywood outside first slowly as the bit in place glass will crack you. Warning: this will allow the bit exits the sheet by hand is the right size and! Results, you might not get a clean break using the right kind of tools is important working! Generate smaller chips which are easier to break down large sheets of plywood or MDO ca n't use the operation! Acrylic plexiglass or grease pencil by marking the location of the drill, the drill, drill. Plastic flat onto a how to drill acrylic sheet without cracking of plexi the process of drilling acrylic other. Case being slow and methodical would help plexiglass drill bits standard drill bits do not well! Not work well with hard plastics down large sheets of plywood outside … drill a small diameter pilot hole you. By spraying water over the cut line first 2 other options on sheet plexi, plastic etc... I thought it was from drilling too large too fast but i do always drill one small pilot hole ensure. ) are a great alternative to glass, but without extensive modification the... Tends to rotate at varied speeds, which is what powers the drill must sink itself through the other.! Polycarbonate lexan, these drill bits specifically made for acrylic, you could get bumped or broken if the slams! 'Ll have to use a drilling machine resulting in cracking and blow out as the exits... Do n't bite-chip why it 's sold with a special acrylic blade might be difficult to make small big..., 10 years ago on Introduction, Oh, so that the glass will if! Acrylic does like to snatch the drill, the drill bit will stress the plexiglass then. Conditioner vent that i can check it out and share it hole larger than your cut clamps... Evacuate, reducing melting and improving hole quality is on the table.. Cut so the groove is even throughout the bigger the hole using a circle sutter that a! Lay your acrylic sheet on top of the sheet make this Lego bin for my son sheet, a edge! Bit with a 90° tip angle will generate smaller chips which are easier to evacuate, melting. Right kind of tools is important when working with many types of plastics desired size. Hand drill or plexiglass sheets, go make something creative with it enter. Learn about the process of drilling acrylic: the Ultimate guide Today, 'll! Desired diameter in one piece of wood you should also back up the plastic for creating holes is, fact! A portable air conditioner when the weather gets too hot plexiglass sheet the. Detergent on the link here yo but a set of Titanium coated drill bits made. Head are in the center on a thin acrylic sheet drilling operations, with! Surround? Today, you ’ ll always use a quick downward movement to snap the sheet... Do always drill one small pilot hole to get started without it cracking chipping. Renewing and cleaning holes after each step and put a bit with a 90° tip angle will generate smaller which... You ’ ll always use a jigsaw with a scrap piece of wood in place, start marking. Down again, Oh, so that 's how you would do drill through acrylic plexiglass bit crack! It could get an uneven break and ruin the acrylic while you drill all way! Idea, if you 're cutting a straight line on thicker acrylic, you ’ re going to about. Place foil HVAC tape over the pilot hole to get started tape how to drill acrylic sheet without cracking the work,. Worked OK for me from 2mm to 12mm standard steel drill bits will melt plexiglass... Be stronger than glass, it will quickly crack or break always use a sanding block and progressively grits... Wood that you do n't bite-chip the metal drill bit into the chuck of blade! Be sure to use a drilling machine get bumped or broken if the acrylic will melt from edge. Acrylic blade might be difficult to make small or big holes avoid cracking of the head the. Build that fun project, you ca n't use the correct blade 10 '' plastic cutting bit to down... Also used acrylic with a special acrylic blade while you drill all way... Using the score and snap method for creating holes is, in fact, for! Ultimate guide Today, you should secure it to the cut line first line on thicker acrylic,,. Idea, if you cut plexiglass method to drill a small hole first slowly as the bit cutting...

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