The icon is a little different to what I've seen on others and I don't know how to tell otherwise.
Thanks!
this post was submitted on 23 Feb 2024
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Masonry bits are carbide tipped and don't dull, they just break. Heat is not an issue and the bit doesn't even function by cutting. It's a downward 45 angle in order to chip as it rotates. There's no cutting force from the rotation.
Good masonry bits are carbide-tipped but not all of them. I used those with our sls drill but I stuck to the cheaper ones for anything under 1/2"
Perhaps dull was the wrong word but the tips do wear out. You wind up with a useless flat stub at the end that won't push through anything