![]() ![]() No cracked tiles, no scratches on the surface and the new bits still look in good shape. Switching to the above method, i was getting each hole done in about 2 mins. I had 24 holes to drill in total - the first 2 took about 30 mins each using non-hammer action all the way with only tile bits and i ruined the first tile bit entirely. Widen once that's completed, using a masonry drill bit in NON hammer action. Keep the drill stable or have the bit go wandering across the tile. Start very slowly and don't apply too much pressure early on or you risk cracking the tile. Once you've got a reasonable pilot hole/indentation, switch to a carbide tip masonry drill bit, on hammer action. (i did this by dunking the tip into a tiny cup of water and it worked fine) Reasonable pressure on the drill but make sure you cool the bit every 30 seconds or so. ![]() NOT a thin, glazed bathroom wall tile)įirst - corded drill, non-hammer setting with a carbide tip, tile drill bit (looks like an arrowhead) to get a small ~3mm deep indentation in the tile surface. (and I am sure the ones you describe)Īfter a reasonable amount of experimenting and one entirely mangled bit, the following worked best to drill though what i can best describe as synthetic slate/stone tile ~12mm thick. These are the regular tile bits which I speak of. (i think you need to go for name brands here) I have previously bought diamond bits like these with very little success. So basically, if you are keeping the cut surface nice and wet (cool), and you have a sharp bit, you are doing everything right. I find that it cuts well on some of my bits. as you suggested, some bits actually like it when you move the drill in an orbital fashion. You should hear it biting into the tile, As soon as you go too fast and see the tile or bit-tip going red, you have probably destroyed the bit (this is especially true for ceramic tiles) Second, keep the drill at slow speed - high torque, pushing hard onto the tile. What I do, is get a straw filled with water, or a spray bottle, and get a helper to either "pipette" or spray water onto the hole while you drill. Hopefully you have a nice drill (generally battery operated may be a little on the light side). normally it should feel nice and sharp against your finger. Check your Tile bit to see if you have melted the edge. ![]()
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