If you can, clamp a piece of stone scrap under the granite surface. How to Change A Circular Saw Blade? As I mentioned, drilling granite countertops requires a special set of tools. Over the years I have learned some tips and tricks to drill a hole in granite. If you want to drill a hole in granite without a hassle, you need to invest in a good set of diamond core drill bits (Check on Amazon). $7.10. Remove the bit from the hole, and cool it in the pitcher of water. Hollow, diamond-tipped coring bits - These are much faster and effective for drilling holes in pebbles than a solid drill bit. 5.4 Attach a diamond-tipped hole saw bit to your power drill. Apply lubricant. Once you have the file, you can simply use it as you would use any other type of file. As you may have expected, your best bet is going to be a diamond file. A simple countertop costs about $100 to $500, while a large granite countertop can cost as much as $4,500. 1. Designing Kitchens and Bathrooms - drill hole in granite - hi All I bought a granite slab 1 in thick i need to cut it down to 24 in wide and drill 2 holes in it 1. i bought a diamond blade for my power saw 2. also bought a set of diamond hole saw 1. can i cut the slab with my power saw with this diamond blade and water 2. If you are using the dry coring technique you will specially need a vacuum. Allow the drill to do the work, that's what you're using it for. Drill through the scrap wood. Third, begin drilling slowly, using steady pressure, and increase the speed as needed. Your email address will not be published. As you can imagine, both of the above methods have their own pros and cons. Now you can start the drilling process. Before starting the drilling process, you should know these two methods well. A diamond-tipped bit is best for drilling through granite. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. This helps to prevent the drill bit from walking when starting to drill the hole. Vacuum: A vacuum helps one deal with the dust produced during the drilling process. Some of the cheaper bits don't seem to work too well, but if you only have a few holes, give it a try. Step 2: Mark the location to be drilled with a sharpie (or other marker), or with a template if the hole is . Just buy a good quality hole saw and take your time. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. Quartz, Marble and Granite. $21.50. You can build a small dam around it to keep the water in place. Place a metal punch over the spot and tap it with a hammer to indent the metal. Now start drilling the granite at an angle and then straighten it. Never force the drill into the granite and let it gain speed gradually. Necessary cookies are absolutely essential for the website to function properly. Find Out Here! 6-Step Guide on How to Drill Hole in Granite Countertop, Step 3 Choose a Suitable Diamond Tipped Hole Saw, Step 5 Choose the Desired Drilling Method and Start Drilling. Attach the reservoir to the granite Fill the reservoir with water Begin drilling by starting slowly and then work up to speed, periodically rinsing out and refilling the water reservoir. The cookie is used to store the user consent for the cookies in the category "Analytics". Now take a paper as a cutout and a scissor. For thin granite slabs it is better to use a normal drill as using a hammer drill can result in cracks in the material. Starret makes something called an "Oops" holesaw arbor- it uses the smaller holesaw as a pilot bit. 3) Count out that many cards and put them between the jig and the drilling subject. This cookie is set by GDPR Cookie Consent plugin. Now we know some more about granite and how to pick the best drill bit for the job, let's get into how to drill through granite. These characteristics make it a very desirable and useful dimension stone. Step 3: Place the template Place the drilling template on the countertop where the hole is to be. Because of the water, the amount of dust will be minimum. This cookie is set by GDPR Cookie Consent plugin. If you are looking for a hard and dense material for your interior but also do not want to compromise on the aesthetic, you should opt for granite. For making a hole in the sink will be the best if you install a drop in sink. If drilling multiple holes, let the bit cool down before moving on to the next one! Stop drilling the granite until you reach the scrap stone. Then, using a wet saw, cut around the perimeter of the marked area. $27.50. How to drill a small hole in granite countertop? Diamond Core Drill Bits: For a material as dense as granite, ordinary masonry bits cannot do the job. While drilling into granite may seem like a daunting task, in the end, its all about preparation. Granite Drilling Tips The best way to drill through granite is to use a steady, constant speed. Granite is strong, beautiful, doesnt stain (when sealed properly) or scratch and deals with heat pretty well. Depending on the hole size, buy a suitable diamond-tipped hole saw. For drilling granite countertops, youll need a special set of tools. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'housetechlab_com-medrectangle-4','ezslot_1',121,'0','0'])};__ez_fad_position('div-gpt-ad-housetechlab_com-medrectangle-4-0');While you can drill through granite, it takes more work than drilling most other holes, and patching up is not going to be an option. Having made the long trip to pick it up (and the inability of getting a hold of me on the phone while I was distracted with the kiddos oops!) Now that you have decided on a drilling method, you need to make sure that all the tools you need are at hand. How to drill a hole in granite? Different professionals would charge differently for drilling a hole in granite, depending on how demanding the job is. This will keep the drill bit from slipping. Battery Discharge Warning KIA [Check THIS first]. I purchased a Kegco kegerator with standard 3" tower. Today, Ill teach you how to drill holes in granite countertops with the proper technique and the right kind of tools. In this video we show you how to drill a hole into granite countertops so you can use a Tapcon anchor screw to fasten the cabinet panel to the side of the granite countertop. Lives In: Denver Colorado Take more time than the dry coring method. I recently purchased a 1/2 inch diameter one, cost me about $20, and I drilled a hole through a granite countertop. You will need a 1-1/4 inch Diamond Coring Bit for the appliance holes. The cookies is used to store the user consent for the cookies in the category "Necessary". These bits are specifically designed for this type of project. There are a few things that you can do to make the process easier. depending on the weight loaded on the shelves and the thickness of the granite, drilling through the granite (and attaching the brackets or standards to wall framing) would produce the most stable and sturdy shelves. When it comes to drilling granite countertops, there are two methods you can use; dry coring and wet coring. The pilot hole should be slightly smaller than the size of the screw you want to use. 9. This will keep the granite from chipping. From the size of the hole needed, obtain the corresponding sized drill bit for the job. 2. In your case, your may be looking at a 2 inch diameter bit, considerably . I want to drill holes in the granite post to hold each bracket. 3. Granite is very heavy-duty but will crack like other durable materials when it's hit with enough pressure due to it being quite brittle. It is used in countertops, floor tiles, paving stone, curbing, stair treads, building veneer, and cemetery monuments. Dont let the name scare you off (although a diamond tip is indeed used); you can buy a set of diamond drill bits in all common sizes on Amazon for around $20. The six-16-mm drill bits have a 35 mm maximum working depth and a 61 mm total length. Keep drilling until the hole is the desired size. Your drill bit should never even feel warm to the touch. Then attach the DW to the wood. Instead of water use cutting oil to lubricate the drill bit. Its not harder than any other type of drilling, but a bit more unforgiving. Which Are The Best For Woodworking? The consent submitted will only be used for data processing originating from this website. This website uses cookies to improve your experience while you navigate through the website. Go steady and slow - Never apply too much pressure on the drill while you are dealing with granite, doing so could increase the chances of damaging the drill or cracking the granite. Certifications: B.E.E. Now identify the area where you want to cut the granite for the sink. Although it takes much longer than dry coring, wet coring is the preferred method of drilling into granite. Also, both methods have pros and cons, and Ill explain them later in the step-by-step guide. Diamond Drilling Granite Marble Ceramic Tile Core Multi Drill Bits Hole Saw. And since granite is used so widely, at one point or another you will need to drill a hole in granite. Drilling granite can be very difficult as it is one of the toughest natural stones available, in this video I drill through a 10mm granite tile using a JCB Diamond Tech hole saw. Attach a diamond-tipped hole saw bit to your power drill. There are quite a few different power tools out there, ranging from small hand [], Hand Planer Vs. To drill granite, you need a diamond core drill. 6-Step Guide on How to Drill Hole in Granite Countertop Things You'll Need Power drill 2-inch diamond tipped hole saw Measuring tape Ruler Granite marker or ordinary marker Vacuum Safety mask, goggles, and gloves Clean cloth Water Step 1 - Clean the Granite Countertop Video | funbro1 First and foremost, clean the granite countertop. Although you may not need it for the technical part of the drilling (depending onhow powerful your drill is), it will keep your work area nice and clean, as the water will eliminate the granite dust. 1) Remove any dust or drill shavings from the area. Move the bit up and down as you drill in order to allow water to flow into the hole at the point of contact. All you need to do is to [], Can You Cut Laminate Shelving With a Circular Saw? Clamp: When using a scrap piece you need to clamp it properly to the slab before you drill. If you can drill any other type of hole, you should be fine with granite, too. Holimax Dry Diamond Drill Bits Set 6 PCs Small Diamond Hole Saw Kit for Granite Marble Porcelain Tile Ceramic Stone Glass Hard Materials (not for Wood) Round Shank 6mm 8mm 10mm . Mark the spot where you want the hole clearly. This method is excellent for plumbing projects. The Rigid 1-3/8" diamond hole saw from Home Depot is $28. With the above information, you should, however, have no problems drilling into granite at all. 4. Can I Drill a Hole In Granite? You can drill through granite with a spear-point bit for glass -- just drill, no hammer. Also, apply lubricant when dealing with a tough material like this to stop the drill bit from overheating and make sure to wear goggles and a mask to avoid breathing in the dust created. Do not push too hard and let the drill do its job. Manage SettingsContinue with Recommended Cookies. This rock in particular is very hard to drill due to the fact it is quite brittle at the edges, meaning it will take double the time to drill in comparison to other materials. Use some putty to hold it in place as you will drill through the centre, this will also stop the lubricant from spilling on to the granite around the sides. Some Possible Reasons.. How To Rip Narrow Boards With A Circular Saw.. Find Out Here! Step 1: Determine the location and size of the hole you need to drill. Place the diamond crown or holesaw into the correct size hole of the drill plate and press the drill bit up against the porcelain ceramic tile or other hard material lik granite or marble. It is formed by the slow crystallization of magma below the Earths surface. After every 30 seconds, consider adding water to the drill bit to prevent overheating. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Analytical cookies are used to understand how visitors interact with the website. If wet coring have someone spray water so as to lubricate as well as settle down any dust produced. To drill a hole in a large rock for a bubbler fountain, granite is just the stone we are looking for. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Drill again for another 10 seconds. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Required fields are marked *. Our Guide! Granite is a type of rock that is very hard and wear-resistant, it comes in at 6 or 7 ratings on the Moh hardness scale too and is mainly made up of quartz and feldspar. Step 1 Attach the hole coring bit to the drill as well as the guiding drill bit which sits inside the hole corerthe guide starts the drilling off and prevents the corer from wandering. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. Get some DEVCON 5 min. Wearing a safety mask will ensure you dont inhale any dust or debris created during the drilling process. Get a 1-3/8" diamond hole saw. Follow the same process as in the dry coring. Domestic production of crowns and drills with diamond coating. Allow for the sealant to dry (cure) for 12 hours or overnight. Although granite is beautiful for our homes, drilling it can be a big task due to how hard and brittle it is, also granite is often installed as a single slab, so one wrong move and you could potentially crack the whole thing. Then, mold the rope into a circle and fit it fully around the circle you marked on the rock. We have listed out some important factors to consider in your drill bit for granite below. I personally recommend wet coring as the dust formed during the drilling process also gets controlled with water. #75-200mm #Diamond #Drill #Glass #Hollow #Extractor #Remover #Tools #Glass #Ceramics #Porcelain #Granite. If you plan to drill faucet holes, see if you can negotiate it into your installation process. More about us. Using the initial cut as a guide, continue drilling at low speed with a slow and steady pace. They are a carbide tipped drill bit specifically for drilling marble, granite, and porcelain, cast iron and others. Continue drilling into the granite, approx. Our Guide On The Top Uses in 2021! This cookie is set by GDPR Cookie Consent plugin. Ensure there are no loose attachments on the drill as well to avoid breaking the granite.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'handytoolshome_com-large-leaderboard-2','ezslot_7',106,'0','0'])};__ez_fad_position('div-gpt-ad-handytoolshome_com-large-leaderboard-2-0'); Start drilling over the marked area with steady and light pressure, you can put some lubrication on tip of the drill to reduce the temperature build-up too, this will also make the drilling easier. If you only have one shot at drilling, make sure you have the time and focus to get it right. It does not store any personal data. Your drilling will more likely suffer from too little water than too much. Measure carefully (twice). 2) Figure out how many cards you need to space your holes (center to center). Drill a Hole in Granite: Now comes the actual process of drilling a hole in granite. The wall anchors would work also, but using the wall framing is more reliable. The one thing I love more than woodworking is the toys that we use! This is why you should always use the correct drill bit and go slow. In general, to drill a hole in a granite countertop: Go through my below 6-step guide for more details. Because of this difference, youll need different things and executions during this process. Mark the area where you plan to drill. For my example 3 of my business cards gives me 3/64" (1.2mm) distance. We have put together an extensive guide below all about drilling granite so as you can drill your countertop or granite surface properly without ruining the whole slab. Apart from that, you cannot use an ordinary marker. The bucket will help catch the water that will be poured to lubricate the drill bit. Remove all the dust and debris. Your email address will not be published. Really easy when you get. Wear your safety goggles and gloves to protect yourself from any flying scraps during the process. To drill a hole in granite, youll need a special diamond drill bit (Check on Amazon.com). $24.75. Drilling through granite requires the right drill bit too and some other pieces of equipment to keep things safe and stable while avoiding cracking the granite. I plan on applied Gorilla Glue to the back of the bracket to make sure the bracket stays attached to the granite post. Our Step-By-Step Guide 2021. By clicking Accept All, you consent to the use of ALL the cookies. But remember to pour some water into the hole while drilling. Now comes the actual process of drilling a hole in granite. You can use dry core drill bits for the dry coring method. Small incision resistance, increase the opening speed, long service life. Pour some water on the granite surface. If you can, clamp a piece of stone scrap under the granite surface. A steady, slow speed will help your drill stay in good shape. If you use the hammer drill, you will be shopping for a new countertop. One of the most popular ways to improve the value of your home is by adding granite countertops in the kitchen, and for good reason. The cookie is used to store the user consent for the cookies in the category "Performance". Fourth, once the hole is drilled, remove the drill bit and vacuum up any debris. One of my career paths started as a general handyman, so I also have a lot of experience with home improvement I love to share. Im not only an electrician, but I also like machinery and anything to do with carpentry. First and foremost, clean the granite countertop. So, having some protection for your hands might be a good idea. Each brackets has four (4) holes on the vertical arm to be used to screw the bracket to a willing material. How easy is it for a drill bit to overheat? Hose or Water Drip Method: The most basic method is to use a small hose that runs water onto the surface near the hole and down into the bore hole. I found that a grey pvc pipe used for electrical with a 2.5" internal diameter would fit perfectly into . Create your 1-3/8" template secure it to the counter (make sure it won't move). A lot of times, you can avoid having to drill through granite altogether by rerouting your plans. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. -Start with a small hole and work your way up to the desired size. Here's a quick rundown of the best ways to drill holes in stones. Go steady and slow - Never apply too much pressure on the drill while you are dealing with granite, doing so could increase the chances of damaging the drill or cracking the granite. There are two methods commonly used to drill a hole in granite: Some manufacturers have drill bits that can be used for dry coring granite. Heavy-duty Variable Speed Drill Also, remove the other dust and debris from the area. In the blog post below, well show you the best way to drill through a granite countertop (or other surfaces). The best way to drill a perfect hole in your rock is by using a pencil or a marker to plot your drill, as we have mentioned above. Color: Brown ( As Pictures Show ). How to drill a hole in granite - YouTube 0:00 / 3:57 How to drill a hole in granite 116,672 views Dec 17, 2010 A demonstration of how we core faucet holes in granite counters. When your bit is through your material, place a rag . Thin Granite Tiles and Countertops: Use diamond core bits and standard drill without hammering action Thick Granite Slabs: Use carbide masonry bit on an SDS drill such as a rotary hammer or combination hammer. For larger diameter holes, use a template or draw a precise circle that corresponds exactly with the diameter of the hole you're drilling. It is important not to apply too much pressure, as this can cause the drill bit to slip and damage the granite. Step 2: Mark the area that you will be drilling. If youre able to clamp, you might also want to put a thin piece of wood on top with the hole already drilling in it. According to your requirement, you can buy any one of them. The hole opener can drill quickly, easily and cleanly on tiles and other materials (marble, granite, clinker, roof ceramic, plastic, etc.) I love wood and wood working. Could bore a hole same size into plywood, then use the plywood as a guide to prevent your diamond tipped hole saw from drifting on your granite or quartz. For drilling thick granite stone hammer drill proves to be a better option. I have summed up all the information you need to drill granite without a hassle in this article. If you have an already installed countertop and want to install a new faucet or fixture you will need to drill a hole in granite countertop. Step 6 Roll a small amount of putty. How egyptian drill holes in granite? Safety Equipment: Just like any drilling job, you need to use proper safety equipment such as safety goggles, dust masks, and gloves. If you are in an urban environment and you look around, you will find granite in one form or another. Mark your stone with your marker pen or chinagraph pencil where you wish the hole to be. If you have a small slab of concrete as a leftover, try drilling into that first to get a feel for the right technique and pressure. The water will help keep the tip of the drill cool and rinse away the debris. We also use third-party cookies that help us analyze and understand how you use this website. Finally, pour some water on the granite countertop. It includes tiles, glass, marble, porcelain, etc. If you do not already have one you can select one from this list of best cordless drills for home use that I previously shared. Category : Drill Bit List Price : 14.92 Price : 7.46. Generally, a small hole (1-2 inches in diameter and 1-2 feet deep) can be drilled for around $100, while a larger hole (3-4 inches in diameter and 2-3 feet deep) can cost upwards of $300. We only recommend drilling granite if there is no alternative, as this rock is very expensive and not easy to make holes in, so if your hole is for electricity or plumbing, try to see if there is a way around it, and never drill more than 1-inch to the wall, as this can increase the chances of the granite cracking. Wear a dust mask to prevent the dust produced during the process to irritate your respiratory system. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); HandyToolsHome.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.co.uk & Amazon.com. For instance, these granite countertops can be slippery sometimes. (2). Allow the bit to do the work; only apply minimal pressure to keep the bit in place. Wet coring creates less dust and also it will be good for the granite countertop. Granite is hard enough to resist abrasion, strong enough to bear significant weight, inert enough to resist weathering, and it accepts a brilliant polish. How To Use A Laser Level To Align Fence Posts? But opting out of some of these cookies may affect your browsing experience. What Is The Best Tool For Cutting Skirting Boards? Choosing between a hand planer and a bench planer can [], Is It Possible To Use a Hammer Drill For Regular Drilling? Show more Show. $6.39. Use an angle grinder with polishing pads to clean up the saw marks on the cut edge and to "break" or micro-bevel the 90-degree cut edge to soften it. A drill bit can overheat easily when used at too high of a speed for too long on heavy-duty material. The good news is that you can drill into granite if you just know how. Use a drill press at a slow to moderate speed and hold it there for a few seconds. However, with the right knowledge and tools, you can easily drill a hole in granite. Should you use a hammer drill for drilling granite? The template will serve in place of a pilot bit. As an added bonus,you can use your normal drill for most drilling projects that have to do with granite, giving you all the more reason to give this a try. Free shipping. Remove the scrap piece. Glue the peice of wood to the granite.held by some clamps for about 2 or 3 hours. A higher RPM count helps you drill smaller holes more easily.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'housetechlab_com-large-leaderboard-2','ezslot_2',124,'0','0'])};__ez_fad_position('div-gpt-ad-housetechlab_com-large-leaderboard-2-0'); Once youve got the right-sized drill bit and your drill all set up, its time to prepare the actual hole. In wet coring you use water to keep down the temperature of the tools and granite. The consent submitted will only be used for data processing originating from this website. Then, place the drill on the marked location and start drilling at low speed. Measure and mark the location and size of the hole. Measure and mark the location of the holes. 5 How to drill granite countertop? Especially Suited for Drilling Granite, Marble, and Tile; Designed for Hammer or Rotary Drills Only; CRL Super Tip Granite, Marble, and Tile Drill Bits are especially suited for drilling small holes in stone and tile. (Although the oil will act as a coolant, it and the bit will get hot but they won't burn up.) Find Out Here! However, the actual cost would depend on the size of the hole you want to drill. How to drill a hole using a JCB diamond tech holesaw. Even if you dont need it to drill a hole in granite at the moment, it will actually prove to be one valuable skill to learn for your future DIY or home improvement projects. As stompie said, use the hole saw. This method allows you to create a hole on the granite countertop without water. Verify you super, genuinely need to penetrate an opening where you are contemplating a boring one. How To Drill Hole In Granite. Step 2 Put on your safety goggles and mask. Hence, remember to wear them too. 1 Drill Bit. These cookies track visitors across websites and collect information to provide customized ads. Quick Tip: The standard thickness for a granite countertop is 3cm. When you carefully select your drill bit and do the minimum planning, drilling into concrete is a DIY project like everything else. Repeat the same for the other hole. First off, you should figure out how big you need to drill the hole and use the appropriate sized drill bit in correspondence. It is better to use a clamp on each side of the required hole. Safety glasses will protect your eyes. Set up your water tray by placing your piece of wood or rubber into the tray, place your pebble on top and pour water in until the stone is covered by about 1cm of water. The average cost to drill a hole in granite is $2.50 per linear inch. -Use a lubricant. Drilling through granite takes a little while, but you can keep going at a steady speed. First of all, consider all options before you start drilling or even plan further. This is why you should use lubricant and take breaks when drilling. Use a bottle cap - Find a bottle cap with some depth and place it upright over where you want to drill so as it can act as a cup. If you can't find a guide, get a piece of plywood, drill a 1/2 hole in it, clamp it to the counter and have at it. For dry coring drill through the stone without using water. Except when you have to drill a hole into it.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'housetechlab_com-medrectangle-3','ezslot_5',120,'0','0'])};__ez_fad_position('div-gpt-ad-housetechlab_com-medrectangle-3-0'); In a perfect world, building materials would be strong and durable, but you could drill a hole in it as if it were butter. If you have opted to use the dry coring method, you will need specialized dry coring drill bits (Check on Amazon). Measure twice, drill once. Then, take the granite marker and mark the two holes on the countertop. Dry Diamond Drill Bits Set 6 PCs Small Diamond Hole Saw Kit for Granite Marble Porcelain Tile Ceramic Stone Glass Hard Materials (not for Wood) Round Shank 1/4, 5/16, 3/8, 1/2, 9/16, 5/8 inch. Using the right drill bit for this job is critical as some cheaper drill bits are just not up to the job. 1. This cookie is set by GDPR Cookie Consent plugin. Handheld Planer vs Benchtop Planer - Read It Here! However, drilling into granite can be quite time consuming as it is a very tough material. If dry coring, have someone vacuum the dust while you drill. 75-200mm Diamond Drill Bits Glass Tile Hollow Core Extractor Remover Tools Hole Saws for Glass Ceramics Porcelain Granite. . Mark the drilling area with a sharpie clearly, you can also clamp some wood and mark the wood to avoid chances of cracking the granite, put a piece of scrap stone over the drilling area too and clamp all in place. Read on, to get a detailed step by step guide to drill a hole in granite. Fill the groove created by the diamond bit with water. Roll a small amount of putty in your hands to form a long rope. 2pcs 50mm Diamond Drilling Core Bits Drill Bit Hole Saw Cutter for Granite Tile. The water helps to create a slurry from the marble dust . Required fields are marked *. How To Clean Circular Saw Blades Effectively (& Safely! Place the circle-putty on the face of the stone and press until it has adhered properly. This works for any other stone surface too. Please Tell Us How We Can Improve This Article. There is a risk a masonry bit will crack the granite. [2] If you're concerned that the drill bit will wander, you can clamp a piece of scrap wood with the appropriate sized guide hole over your drilling target. Once you hit the scrap stone underneath stop drilling. Duct Tape: Duct tape is the most cost effective option to ensure that you do not end up with cracks , when you try to drill a hole in granite. Ill share everything I know regarding this topic in the below step-by-step guide. How to drill a hole using a JCB diamond tech holesaw. It is certainly possible to drill into granite, whether installed or not. The drill bits are drilled with either a diamond-plated (cheap) or sintered (expensive) design.

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