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The Good Range of Sizes give lots of options Good distribution of diamonds means consistent cutting Reasonable plated finish reduces corrosion from cutting lubricant The Bad One size was unusable as spindle was welded out of centre One size had a segmented cutting face making it unsuitable for cutting a hole in glass (has to be continuous) In use Cutting holes in Brosillicate glass (50mm thick) with 1l/ sec water was fast with clean holes and no break outs with a bench drill and power downfeed . 18 Holes cut with 100% success. Also in 5mm glass. Concusions: Generally happy but i did not need the size which was defective or the segmented cutter size. You Should Check before buying.
Verified purchase: Yes | Condition: New
The hole saws do not have anything to control the saw such as a central guiding drill bit. So it is very difficult to get the saw to cut a hole where you want it to in a ceramic tile.
Verified purchase: Yes | Condition: New
Tap wells to shaft do not have sufficient strength for multiple holes. I cut through an 8 mm porcelain tile just as well as my $58 26mm hole saw; however, this one twisted under pressure when attempting a second hole. Expected for such a low cost for one off jobs.
Verified purchase: Yes | Condition: New
Have used it once so far in a Ceramic tile I cut a guide hole in wood clamped it to the tile and cut the hole adding water as it cut. Worked really well.
Verified purchase: Yes | Condition: New
Didn't expect high quality for this price but as I had only a few holes to cut thought that it would do. Tried to make a cut into a fairly hard floor tile but this wouldn't even cut one hole. Not recommended
Verified purchase: Yes | Condition: New