Forum Discussion
Lynnmor
Nov 05, 2015Explorer II
You will need a carbide drill bit to drill thru hardened screws. Low cost masonry drills are carbide tipped if you can find one small enough. Any machine shop supply house will have carbide in the size you need if you can't find a suitable masonry drill. For a novice, I recommend the spade type drill as they will not break easily. Run carbide drills at a high RPM.
suggestion
suggestion
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