Unlike carbide drill bits, the teeth on a diamond core bit features diamonds that are embedded in the teeth themselves. The diamond core drill bit is a definite step up from the carbide core bit mentioned above. Trying to drill more dense objects such as solid concrete will in most cases cause the bit to heat up, wearing it out even faster.Ĭarbide core drill bit Diamond Core Drill Bits This will ultimately wear the core bit out much faster, but as they are generally cheap this is not often seen as a major concern.Īs well as wearing the drill bit out much faster, the hammer action also creates a lot of vibration whilst drilling often leading to the hole ending up larger than intended.Īs they are not of a particular high quality, carbide core drills are generally only really any good for drilling through softer concrete blocks. Once rotating, these teeth bite into the surface you’re working on and cut their way through creating the required hole.Īlthough it is not recommended, many use hammer action with these drill bits to increase their cutting speed and ability. The drill bit itself features carbide “teeth” that surround the circumference of the drill bit. Carbide Core Drill BitsĬarbide core drills are generally the cheapest option when it comes to core drilling. There are many core drill sizes and generally each size is manufactured to represent the size of a commonly used pipe, cable or duct so that once the hole is drilled, the object in question passes through with ease.Īgain, as we have also touched on above, there are several different types of core bit available and depending on the object you are drilling through and the size of hole you need to create will ultimately depend on what type of core drill your should use. ![]() Large hole in wall drilled with core drill bit What is a Core Drill?Īs we have briefly touched on, a core drill is a drill bit which cuts large holes through masonry and concrete removing the centre part of the hole (core) as it drills and cuts its way through. There are a few different types of core bit and the best one to use will very much depend on the size and depth of hole you’re drilling and the type of material you are drilling through. ![]() ![]() This is often required when needing to run cables, waste pipes and soil pipes and also install extraction fans. The core drill is the drill bit to use when you need to cut a large diameter hole through a solid brick or block wall.
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