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Old 09-16-2020, 09:07 AM   #2
Mart
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Join Date: May 2010
Location: Solihull, England.
Posts: 8,744
Default Re: Anyone use these drill/tap all in one?

Not used them, but have seen them reviewed on Youtube. The problem is you need to go fast for the drill and slow for the tap. I think they are ok in relatively thin metal. For example, how can you countersink a hole if the tap is still cutting threads?
Probably great for some specific purpose, but not great in a lot of cases.
Just what I saw and no reason not to agree.
Mart.
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