Concrete core drilling is a method used in construction to create circular openings for various purposes like installing electrical or structural pieces. Core drilling removes the perimeter of the hole, and it so saves construction engineers from eliminating entire cylinders. The core is the material which is left behind in the drill, and it has applications such as testing of the strength of the material.
Concrete core line drilling is an application of this method which can be used to remove slabs of the concrete of any thickness, here the core holes are drilled in an overlapping manner beside the place of the required area to be removed. Core drilling cannot be carried out without the necessary equipment so, in this article, we are going to tell you about core drills and what you should look for, while shopping for your core drill.
Important Things About Core Drill –
- A diamond core drill is a great and sturdy tool that is usually used to make holes in material such as brick, concrete and even stone.
- This means that your drill is designed to work with very tough and dense materials.
- Drills do this by producing high torques in relatively lower speeds.
- This needs a powerful motor, and this in fact can make some handheld devices challenging to use.
- Another difficulty that might arise is that some drills need water to keep them fresh and this is not readily available everywhere.
Tips For Buying The Perfect Core Drill –
There are some issues you should keep in mind while buying a core drill so that you can do core drilling easily with your purchase; these are as follows-
- Power and Size- We have already mentioned that core drilling requires considerable torque to be produced at low speed. Thus, you should look for a drill with a lot of power to spare. One of the options here is a large, wholly decked coring machine. These are not very portable but have large, powerful motors. These machines need a stand to work correctly. Another point to look for is whether your drill provides for Arbor extensions or not. These extensions increase the length of your drill, thus; enabling you to drill deeper holes.
- Variable Speed- Whether you need drills with variable speeds or not, it depends on your preference. Some users who have more experience like to adjust the speed of the drill as it gives you more control over the drilling process, usually when a soft start is needed. However, many merely set the drill at one speed and never change it again. For them, such a setting would be redundant.
- Soft Starts- Soft start involves a controlled increase of rotational speed when the machine is powered up. Less experienced users will appreciate this feature if it is inbuilt into the device, but more experienced drillers might feel a bit annoyed. It is because of this that most drills usually feature a fixed acceleration but also have a dial with which the acceleration can be adjusted as and when needed.
- Direct Drive- The direct drive feature is found in the higher end, massive professional drills as it increases performance tremendously. This tool is worthwhile for both dry and wet cutting, and the machine will have the power to deal with any material no matter how dense.
- Safety clutch- You should ensure that the drill you choose has the safety clutch feature. What this feature does is that it protects you from kick-backs and recoil that might happen if the drill jams or encounters a material that it finds difficult to cut through.
There are some more essential features like a good handle grip when looking for the best drill to help you with your core drilling activities, but we have covered the most important bases.
