6 Tips For Accident-Free Core Hole Drilling in Sydney

Core hole drilling (especially carried out on concrete) is a common operation carried out in various construction sites in Sydney. While most of these core drilling projects are done by professionals or trained apprentices who’re used to this kind of work, there are often times when the individuals who aren’t core drilling experts (like the plumbers or electricians) would need to do some core drilling of their own. 

Here’s the thing, though. Core drills are power tools, and as such, they are tools you really do not want to misuse or be in an accident with. Regardless of who handles these machines, there are always safety tips to be strongly adhered to, even by experts. 


Starting up a core hole drilling project in Sydney without adequate knowledge of these safety tips could be seriously detrimental to not only the machine but also your safety as well as that of anyone else around. To prevent incurring any losses to yourself, your machine, or people around the site, here are six safety tips to follow during core hole drilling in Sydney or anywhere else in the world.

  1. Be accurate on your stand attachment selection.

Sometimes, core hole drilling can be performed on horizontal surfaces as opposed to the usual vertical or angled work surfaces. The most important thing to note is that; each situation calls for different uses of each type of attachment. If you’re working on horizontal or slightly tilted (or angled) surfaces, consider using the vacuum stand attachment. The vacuum stand relies on suction to stick firmly in place during the drilling process. 

Wall anchors are important attachments to have as well. They help you secure your core drill in place. Combining both attachments could guarantee your safety near 100%. To prevent the core drill from accidentally slipping, use safety chains to secure the drill tip further.

  1. Get the RIGHT DRILL BIT for the job.

There are a wide variety of drill bits each fit for different job types and descriptions. Usually, diamond-tipped bits are the standards for most core drilling operations. However, there are other drill bits meant for other operations. If you’re dealing with concrete, go for drill bits with a soft bond between the cutting surface and the bit hub. 

On the other hand, if you’re looking to work with softer surfaces, say wood or POP, tough bond drill bits like diamond or corundum-tipped drill bits are the best for you. It may seem contradictory but, you can’t argue with the pros.

Another thing you should check is the compressive strength of the surface you’re working on to ensure your drill bit won’t damage the entire structure during and after the operation. 

  1. NEVER forget how deep you want your hole

Creating a hole up to a foot or two costs you a lot of equipment. Your diamond-tipped drill bit is enough to get the job done. However, if you’re drilling deeper holes, then you should consider adding some accessories to extend your reach as your core driller penetrates deeper into the hole. 

Professionals make use of accessories called barrel bits to overcome the reaching-in challenge. These bits function as extenders that help you penetrate much deeper into the surface. Just make sure you use the best extender for the job (the one you need to reach your required depth).

  1. Get the RIGHT DRILL for the job.

There are three variants of core drills operators use. They’re the handheld, mounted and hybrid drills δΈ€ each with their specialties and functions. If you’re drilling a hole of about three inches or less in diameter, you have the go-ahead to use a handheld drill. However, if you’re creating a hole with a diameter of more than three inches, it’s much safer to use a stand or rig-mounted core drillers. Although, some hybrid drills work well as handheld or mounted. They just cost a bit more than the others.

  1. Consider every factor while choosing your drill motor option.

Just like drills, the motors come in three different options. These options are all based on their power formats which are hydraulic, air-powered and electrically-powered drill motors. To decide which is which, here are two factors you need to consider:

  • The power source available at your workplace. If your site has a constant electricity supply, then the electric drill motor is the best option for you. However, if the opposite is your case, consider the air-power or hydraulic drill motors.

  • Your work environment. That is, the allowable noise level of your site and its environs and other environmental building regulations. Whatever you do, DO NOT violate set rules to avoid incurring fines and delay in the project. 

  1. Safety is key!

Adherence to safety procedures is the only way professionals stay safe during and after each operation. To avoid injury while on the job, it’s necessary you:

  • Put on safety goggles at all times.

  • Wear earplugs to prevent hearing damage.

  • Put on sturdy gloves to handle all the heat the machine generates.

  • Make sure your drill bit is being cooled with clean water every minute while on the job.

  • Get the right drill type for the job at hand (as mentioned earlier).

  • Be specific on the bit you’re to use.

  • Ask questions and read manuals to fully understand the when’s, why’s and how's of handling a core driller. 

  • Avoid chit-chatting with other colleagues while on the job.

  • If you’re drilling concrete with high strength, reduce the water supplied to the drill bit by half for a few minutes to redress the already glazed up concrete in the structure.

  • Clean the core hole often while on an operation to avoid stuck core barrels.

  • Also, you could achieve the same aim above by maintaining good water pressure, which helps flood the sediments up when drilling deeper holes. 

Follow these tips to the letter and watch every other core drilling operation become a commendable success. Don’t forget to watch out for your safety and avoid taking up jobs that have the potential to harm you. Better safe than sorry! If you ever have more questions about spearhead safe core hole drilling in Sydney, don’t hesitate to call us.

Disclaimer: This is a generic Information & post; content about the services can be changed from time to time as per your requirements and contract. To get the latest and updated information, contact us today or visit our website.
Location: Sydney NSW, Australia

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