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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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core drills
Hi,
I wanted to put an extractor fan in our cloakroom. I've never understood why they are called cloakrooms because I've never seen any coats in it! So I have bought a cheap TCT core drill from Tool Station. It's made by silverline and I don't know what you think of it but for occasional DIY use, I am hoping it will be fine. I wonder why they are called core drills when they drill through masonry but hole saws when they go through wood? Anyhow, there are no instructions included so please can you help? It seems obvious that the core screws on to the arbour. I also bought a guide bit. Are these essential? I would think they are as they would help you keep a straight line and prevent the drill from catching? The bit does not have a thread, at least not on the arbour end! How does it stay in place? I pushed it in but it kept falling out. Am I supposed to encourage it with a hammer or a sharp tap against the wall? I know I have to spin it as slowly as possible (its 110mm diameter) with a drill with a clutch but I am unsure whether to use hammer action or not? I presume it will only drill as deep as the core, so at that point do I stop drilling and chisel the core out before continuing? I realise I should drill a small hole through the wall to mark the centre and work inwards from both sides, meeting in the middle. Thanks in advance. |
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