How to Use A Diamond Core Drill Bit-Everything That You Must Know

If you need to install waste pipes, soil pipes, extractor fans, or anything else that requires a large hole in a wall, this do-it-yourself instruction will teach you how to use a diamond core drill bit to make the necessary holes in brick or block. In addition, you will learn how to maintain a level and straight drill, as well as the various varieties of core drill bits.

Everyone knows that using a diamond core drill bit is commonplace and all-natural. It may come as a surprise, however, to hear that even seasoned specialists occasionally make mistakes that might have severe implications. One such method involves exerting force on a drill bit angled at an angle. Listed below are the most frequent mistakes that might occur while drilling. You can obtain the whole picture as well as the answers to those blunders.

What is Diamond Core Drill Bit

Core drill bits made of diamond are far more effective than carbide ones.

As opposed to carbide drill bits, a diamond core bit has diamonds set into the teeth. Due to their incredible hardness, diamonds make clean, precise cuts through whatever material you’re working with.

 Diamond Core Drill Bit
Diamond Core Drill Bit

You can indeed choose between a wet-cut or dry-cut diamond core bit. The difference between wet-cut and dry diamond core bits is that the former use water to cool themselves as they drill, while the latter doesn’t.

High temperatures created while drilling can cause the cutting teeth on diamond core bits to wear out prematurely, therefore it’s important to keep them as cold as possible.In addition, overheating the cutting teeth’s surface can cause the metal case to melt, revealing none of the diamonds and lowering the teeth’ cutting efficiency. If that happens, the drill bit’s diamonds will need to be “redressed” before they can be evaluated again.

Some Important Facts About Mesa Diamond Core Drill Bits

Concrete, granite, brick, marble, and other construction stones can all have holes of varying diameters and depths drilled through them with diamond core drill bits. Mesa Diamond core bits have a unique segment design that makes them ideal for drilling clean, precise holes. The core drilling process only causes a little amount of vibration, thus there is no danger to the surrounding buildings.

For many DIYers and professionals, diamond core bits have made traditional drilling much more accessible. But unfortunately, many think diamond core drill bits are just another type of conventional drilling equipment. However, it has encouraged aggressive digging and made it possible to bore holes up to 6 inches deep and 2.5 inches in diameter in as little as six minutes.

Using diamond core bits makes drilling in hard-to-reach places a breeze.

Concrete core drills can quickly and accurately bore through even the most challenging concrete surfaces because of the diamond structure segments that make up their design. In addition, our coring drill bits are the quietest and dust-free on the market because of their sturdy design and high-grade steel core. So when you need the highest quality performance at the lowest possible price and in the shortest amount of time, look no further than Mesa Diamond core bits.

Traditional artisans, engineers, and drillers have traditionally struggled with rebar-reinforced concrete. However, this will never be a problem if you use a diamond core bit.. You need core boring bits that will not break off too readily when drilling into rock-solid concrete.

Enhanced longevity and durability

Due to the high concentration of diamonds present during their production, Mesa Diamond core drill bits have a long service life. Using a diamond laid over the segment, we have significantly increased the durability of each core bit we make. For the production of diamond core bits, hot-press sintering and brazing are the techniques of choice. It’s possible that the technology might boost the capacity and efficiency of the diamond core drill bit by increasing the matrix height.

Mesa Diamond Core Bit has a Very Low Tool And Maintenance Cost.  

When deciding on a machine or tool, it is important to consider not just the original cost but also the maintenance costs. Finding a happy medium between these two principles is essential before purchasing. A diamond core bit’s cost must be reasonable in light of its revenue. This means that price and benefit should always be a good relationship. After the initial outlay of cash for the acquisition, there is also the matter of ongoing upkeep costs.

Mesa During the core drilling process, diamond core bits can sharpen themselves. Drilling with most core bits won’t dull their edges. On the other hand, if the drilling settings aren’t optimised for the material getting drill, the diamonds on the core drill bit segments may wear out before the matrix.  The fact that sharpening is such a straightforward task that anybody can do it is a major plus.

Perfect for use in domestic and commercial core drilling applications

The diamond core bit’s intuitive design ensures that even inexperienced users can get good results with it very immediately. This strategy also specifies the product’s delivery mechanism to maximize efficiency. The diamond core bit’s effectiveness depends not only on the material but also on the user’s technique..

Do you need a small hole for plumbing, masonry, or some other purpose you’ve never drilled before? Installations involving water and electricity, drilling holes in stone countertops, or thick concrete walls are just a few examples. There is no requirement for professional help or any unique skillset on your part. Mesa Utilizing and establishing a diamond core bit requires nothing in the way of instruction or experience.

Efficient Outcomes from Wet Core Drilling Conducted from a Rig

Core drills shine when used for wet drilling, one of its many possible uses. The drill comes complete with a speed regulator that allows the user to modify the pace at which the bits drill. Drilling in wet situations is easier on Mesa Diamond core drill bits since they don’t become as hot. Its antithesis is dry core drilling. Drill core bits that perform optimally only when used in damp conditions are also available.

How to Use A Diamond Core Drill Bit

Here, we’ll use the relocation of a range hood extractor as an excuse to make a hole in the wall of a kitchen.For this task, we shall employ a diamond core bit with a diameter of 100 millimetres (4 inches).

Again, we must insist that you never utilise hammer action while you’re core drilling. To avoid breaking pricey diamond teeth, the drilling motion should be as smooth as possible.

Locate the Precise Drilling Area

Drilling a hole properly begins with a careful measurement and labelling of the intended target. It’s not hard to fix a mistake when you drill a hole that’s only 6 millimeters, but it’s not so simple when the spot is 4 inches in diameter.

Drilling Area
Drilling Area

You should also measure or estimate the thickness of the wall you are drilling through. This will tell you whether or not you can continue drilling without stopping to empty the core bit, depending on how deep your core bit goes.

Secure Arbour Core Bit with Screws

When you’ve designated the spot on the wall where you want to drill, you can prepare your core bit and begin drilling. First, tighten the arbor into the end of the core bit.

You need to screw the core drill’s arbour in until it’s just snug. Insert the pilot or guide drill into the arbour, then tighten the core bit until it snaps into position.

Assemble the core drill as directed, then insert the shank into the drill’s power source. Since we are using an SDS drill, we slide the leg into the chuck, pull back the collar, and then release it to secure the shank.

Last but not least, turn off the drill’s hammer action and set the speed to an amount that’s suitable for the size of the bit and the material you’re working with.

Drill out Hole

Now that everything is ready, you may begin drilling the hole. Start the drill slowly, increasing speed until the pilot drill begins biting into the wall at your drilling point.

Repeat this process until the core drill teeth touch the wall. As soon as they strike, you’ll feel the pain.

Drilling hole using diamond core drill bit
Drilling hole using diamond core drill bit

Remember to keep the drill and core bit perfectly level at all times. Also, drill straight in, rather than at an angle, to avoid creating a diagonal hole.

Drilling at an angle also causes the teeth of the core bit to easily break off.

Just pull out the core bit and look at it and fast. Deeper tooth cuts in any one spot indicate an uneven drill bit. This is because the teeth should all contact the food immediately.

Due to the core drill’s cutting teeth being unidirectional, the tool can only be use on one side.

Hold the drill steady and continue drilling, taking frequent breaks to remove the bit from the hole so it can cool down. Keep the core bit spinning as you pull it out of the hole.

The core drill will extract the core at the exit if you can bore it through the wall in one stroke.

If the hole’s depth exceeds the drill bit, however, you’ll have to pull the core bit out at a depth of roughly 125–130 mm and chop out the core with a hammer and bolster (or, in certain situations, lever it out).

Keep a tight check on the depth you’ve drilled, and after you’re within about an inch of the opposite side’s wall, lighten up on the pressure and slow down a bit.

Keep pushing the core cutter through, and you’ll eventually break through, but you’ll knock out a tonne of masonry around the hole’s perimeter.

You should now have someone stand on the opposite side of the wall from the guide drill, and they should notify you as soon as the drill penetrates the wall so that you can halt your efforts.

You should watch the other side of the wall closely for the guiding drill to make a hole.

 Complete the Task on the Other Side of the Wall

If you want a neater cut and finish, finish the hole from the other side. This ensures a clean spot for entry and departure.

Get everything you need over to the other side of the wall, then put the guide drill back into the hole it just made.

Restart the drill and lower it to the wall until the core drill’s teeth make contact with the surface. Double-check that everything is plumb, then start drilling again.

The remaining material is just about half an inch thick, so take your time, and you’ll end up with a neat hole. Finally, you may finish your core hole by drilling through from the opposite side.

DIY Doctor’s legal advice is only to use tools specifically for that purpose. Security is always priority number one. Always protect yourself with suitable gloves, dust masks, and goggles.

Using a core drill bit to bore a hole for a soil pipe, extractor fan, or waste pipe is straightforward provided that you take your time and maintain exact parallelism between the drill and the core bit.

YouTube video

Avoiding Typical Errors in Diamond Core Drill Bit Use Adrian Try

Everyone knows that using a diamond core drill bit is commonplace and all-natural. You may be surprise to hear, however, that even seasoned specialists sometimes make mistakes that might have severe implications. One such method involves exerting force on a drill bit angled at an angle. Listed here are the most frequent blunders that might occur when drilling and the answers to those blunders so that you can obtain the whole picture.

Wholesalers and merchants should fully understand these procedures so we can always communicate them to the particular driller.

Misusing a Diamond Core Drill Bit of the Incorrect Type

A drill bit’s usefulness extends well beyond its primary function. They are also helpful for applying strip paint and screwing in decorative molding. These drill bits may be quite helpful, but they can also be dangerous if not use correctly.

Be sure you place the drill bit into the front of the drill. One of the ways to improve your project and get the most out of it is to choose the most appropriate form of exercise for the task at hand. We’ve broken down some of the most popular drill bits by application below:

Standard drill bits are known as twist bits, the most common type of drill bits. Light metals, plastics, and softwoods are just some materials that may be drilled using these tools.

Cutlery Knife:

Despite seeming as wide as a standard spade, spade drill bits can drill larger holes more efficiently. In addition, Spade drill bits are commercially acceptable since they perform the same functions as standard twist bits.

With a Hole Saw:

Hole saws are only the beginning of your search for the ideal drill bit to bore huge holes. Hole sizes from half an inch to six inches in diameter may be easily drilled with this tool.

The chip of Glass:

This is, as the name suggests, a glass drill for drilling glass. Diamond drill bits are used to bore holes in glasses made from this material correctly. However, the nasty drill bits might make for an unpleasant work environment. Also, you shouldn’t use concrete coring tools for piercing glass; that’s a bad idea.

Driver Ends:

Screws can only be driven using a screwdriver. When you have to begin tightening hundreds of screws with only standard screwdrivers, things may get frustrating fast. Time and effort savings can be realised by using this drill bit.. The drill bit for screwdrivers is ideal for your needs.

You may find hundreds of more bits on the market that should work for many of your applications. However, make careful you choose the proper drill bit for your job.

An Incorrect Diamond Core Drill Bit Speed

You shouldn’t worry too much about the operating speed after you’ve got the appropriate drill bits. The rate at which you can drill into many different substances varies. The drilling bit works by glazing over the surface of materials, chipping away at the importance until a little fragment is freed.

There are reversible, variable-speed drills available. The bit will go faster if you press down harder on the trigger. But, again, the density and hardness of the material can have a role.

Before using the drill, make sure you’ve read all of the safety instructions and precautions that come with it.

Using Excessive or Insufficient Force

One of the most crucial considerations when employing drill bits is the drilling pressure. Applying too much vertical pressure to a slanted bit is a typical error. In addition, you should ensure that the force you provide when drilling is going on a straight path.

Applying power at an angle increases the risk of accidently breaking a drill bit.

Since the force of the drill is transmit through the handle rather than the drill head, the above statement stays true. The drill’s head is the section of the drill body located immediately behind the bit shaft.

If you put too much pressure on the drill bit, it might break.

Drill bits should only have force applied to their edges, not their sides. For example, the concrete coring and granite drill bit require slightly greater power while drilling. However, whether using diamond drill bits for glass or a diamond core drill, very little pressure is use

Incorrect or lack of lubrication

You must constantly keep in mind that drill bits are often not bendable. Therefore, you must periodically remove your drilling bits from the material being drilled in order to shake off the shavings. This may lead to a drill jam, which would lead to burning friction and a wasted workout. This will also help keep the metal from becoming too hot during the drilling operation, which can shorten its lifespan and make it more prone to wear and tear. Another good reason to use lubricant during the entire drilling operation. Fats like motor oil are often used to facilitate the drilling process through hard metals and other materials.

Drill bit lubricant is applied by dipping the bit’s tip into the oil. During the drilling procedure, this is done several times.

Drilling temperatures can be lowered and friction reduced by employing lubricants. If you do this, you can significantly extend the life of the drill bit. The use of oils also helps the bit glide over any binding places that may exist in rigid materials like metals.

Using the drill’s diamond core in reverse

The inverse may also be true for some physical activities. For example, when drilling, avoid using drill bits with this reverse winding since it prematurely dulls the glazed end of the bit. On the other hand, if a drill bit, such as a diamond core drill bit, becomes lodged in a hole, simply turning the drill’s direction of rotation around can free the bit.

For safety reasons, ventilation holes must be left open during drilling. This is why keeping them out during drilling is a terrible idea. Overheating is one of the main consequences of blocking vents when drilling. A rise in temperature causes overheating.

When the temperature rises, the coil burns, and the drill begins to rotate. In reality, if you plug up the air vent, your workouts will suffer from increased strain.

There are several variations of power drills. The specifications of the task at hand should be your primary guide when selecting a power drill. Be sure to familiarise yourself with the power drill’s operating manual before using it. In addition, the guidebook should be helpful.

Failing to disinfect equipment after usage

Longevity in a drilling instrument is directly proportional to its level of care and upkeep. Your drill’s rope length should be the first consideration while using your drilling instrument. If the factory-supplied chord is insufficient for your needs, an extension cord can help you get the rest of the way there. Be sure the cable is not near any water since this might cause an electric shock that could seriously harm or even kill you.

Some of the shavings produced during the drilling process find their way inside the drill’s head. Abrasion might occur if this isn’t cleaned before, during, and after the drilling process.


Patience is often said to be the essential quality of an employee. It doesn’t matter how hard you strive to accomplish anything.. It makes no difference, though, how quickly you are drilling. You missed it if you were impatient. Patience is required for any task or usage of the item. Impatience can lead to careless tool use, which is one of the major causes of common workplace errors.


What are diamond core bits used for?

If you need to bore a hole in anything tough, like these: Different types of glass are used for various purposes. Pebbles, rocks, stones, minerals, and other forms of stone. Materials made of ceramics or porcelain; glazed pottery; china

Will a diamond core bit cut wood?

You should never use a diamond drill on a hard substance like metal or a soft one like softwood. Because of the suppleness, the drill’s diamonds will become clogged and ineffective. Also, avoid using it on any glass, especially tempered or hardened, since it will break instantly.


Whether you’re working on a vast construction project or a small DIY job around the house, a core drill bit might come in handy. However, due to the drill’s weight and high spinning power, proper safety procedures must be followed.

The issue of “how do you utilise a diamond core bit?” should now be answered thanks to this manual.

However, as no two settings or jobs are identical, you should get to know your workspace, evaluate potential hazards, and study the core drill’s instructions before using it. We hope you find the information below useful.

Leave a Reply

Your email address will not be published. Required fields are marked *