Today i will be showing you how to use a diamond core drill bit and how you can make a big hole in a wall. Common jobs such as tumble dryer ducts and bathroom extractor fan installations all require this method. I will be showing you the tips and tricks that make the job easy! If you like the content leave a like and please subscribe for more content like this as I've got a lot more to come and there will be something that will help you out. ⚪ Buy The Tools Needed Below