I have and use these cutters quite often but for some reason this size struggles. The first one I cut about 10 holes and then broke. I ordered this one and it cut 1 hole before breaking. Both cutters were used in a vertical milling/drilling arrangement where they were held rigid in operation and the cutter could not wander. I ended up buying another brand of regular metal hole saws locally which work well and are less than half the price. If you only need to make one or a few holes, buy something locally.
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