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its 10mm wide and has about 2mm of meat on it.
Making the bore 6mm :) I'd want the pilot hole to be pretty close to the nominal tap drill size of 5.0mm if I was tapping M6×1.0 into aluminium.
If you want a tap set to use once or twice hand tapping soft materials, you might as well take your chances on ebay, where you can get a generic set of M3-M12 taps and dies for the price of one branded tap.
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Clever mike will prob
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I do but I'm super busy these days.
gbj_tester
spotter
IR
@BigH
Anyone here in North London have an M6 tap? I want to tap some threads onto an alu axle, its 10mm wide and has about 2mm of meat on it.
or @mdcc_tester where would be the best place to pick up a decent value tap set m2-8 online? Prob wont be used much so nothing too expensive please