Went over to Amazon to look at a set zero flute counter sinks/deburring tools, found 60, 82 and 90 degree. I want to just to buy the most useful set for deburring holes. What do most of you use?
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Ah, interesting, very possibleI have seen it explained that metric screws are 90 degree, inch are 82.
Correct, and 100 degree is aircraft.I have seen it explained that metric screws are 90 degree, inch are 82.
Are the angles or live centers 60*?