"These are spot on for what I need them for. They do a good job and once they are blunt I bin them and buy some more. I use them generally on drilling tiles in bathrooms and have spent a fortune in the past on fancy tile bits. These do the job fine and I get an ok life span out of them. I just buy 3 at a time when on deal."
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Review 2 for Bosch Multipurpose Drill Bit 7 x 100mm