bobble
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some specific masonry bits that have good reviews
Dewalt DT6952-QZ DT6952QZ Masonry Drill Set of 5 4 0-10.0mm, Multi https://www.amazon.co.uk/dp/B0013LEMT0/ref=cm_sw_r_apanp_KxMP7xzarAue4
These seem to be doing OK. Plus having them go down to such a small size has helped me to reduce wondering by starting with a really small pilot hole.
Obviously they're not SDS drill bits - which in case you didn't know have a totally different fitting. So worth factoring if drill bits are Inc. on any deals on SDS drills you see.
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Have found some of these kits are a poor quality, some of the drill bits weren't even straight.
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I have the larger version of that, the bits are unfortunately dogshit (esp the shiny masonry ones). I got the masonry only (still Bosch green, confusingly) set and they've been fine for any plaster/brick/block work. Don't ask me why they're different, maybe the big packs use lower spec ones for cost saving. But I would likely go for the pro ones mentioned up thread when I need to restock.
It might not be the same issue for stone, but one word of caution if you're going to use an SDS and start with a small pilot and work up the sizes. I did that to go through brick fitting an outside tap (started 8mm then 16mm). The 8mm went fine, but then the 16mm couldn't give two fucks which way the pilot hole was going and came out about 4" away from where the 8mm had gone!
I'd also use the depth stop for the first while until you get an idea of how easily it drills otherwise you could end up with a 6" deep hole putting up pictures..... ask me how I know....
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hugo7
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I think I have the exact same combi drill and bits. The bits, new, made all the difference in my old flat where the shitty ones I had wouldn't even get me in far enough to hang a picture. But I wouldn't imagine they'd be any good on stone. As everyone has said, an SDS is what you want. they usually come with a couple of bits and a few chisel bits. I got the 5kg Titan one for about £60. That has paid for itself in drilling into ancient concrete and using the chisel bit to take down the old monster fireplace.