I drilled a 5/16 hole in my bathroom ceramic tile and it took forever. I walked slowly, I had a spray bottle to keep it wet and I applied a lot of pressure. This took about 20 minutes. I stopped about every 5 to take a break. The next hole I used was the smallest, 1/8th. He penetrated the same tile very quickly. About 45 seconds. I switched the beats to the next larger size and continued at the same pace. At 5/16 diameter, the second hole was completed with no problems, but the drilling was not very smooth. I like to jump a little. Third Hole I'm seeing a dramatic drop in performance at all sizes and I need new bits. I think I'll try diamond because they just don't last. So keep your expectations low and you won't be disappointed.
Bit and socket set BOSCH Promoline (2.607.017.322), 26 pcs.
24 Review
𧱠Bosch 2607017164 Piece Setter Masonry: Advanced Tools for Precision Masonry Work
20 Review
MICHELIN Latitude Sport 3 235/60 R18 103W summer
22 Review
Tool set Stels Tool set, 1/2", 1/4", CrV, plastic case 94 pcs, Stels, 94 pcs, black
45 Review