I think somebody mentioned last night or the night before, if you're just cleaning up otherwise good threads, get a chase instead of a tap. Chases are sharb nut not as hard and brittle as a tap.
Light oil is always good. As far as action, yes, only a quarter turn or so at a time, but back off each time more than the last cut. More true with a tap than a chase, but the idea is to use the backstroke to cut off what's curling up in front of the cutting edge. Those chips will go into the flute. If you're doing any serious cutting at hand speeds, you may need to back it out and clean up the tap and blow out the hole (to clean up the chips at the front end of the tap that the back stoke didn't pick up) both when it starts to feel more than a little gritty.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a �kid� (still am to a deree) about two I guess, my parents couldn�t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He�s been run over by a train, he�s gone forever!" Where did they find me? Perched up on the seat of the tractor. I�d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this �green planet�. I�m par
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