When using a dye, should you reverse to dislodge the chips?

Apr 13, 2020 2 Replies
J

This is not a big deal, but...



I just noticed a "Gearwrench" tap and die set that apparently includes a ratcheting handle for cutting threads on a bolt. Looked good, would be better than releasing and re-gripping the handle, but maybe not if you are supposed to reverse direction in order to break off the chips?



Is there a general consensus for the usual situation, about reversing direction to break off the chips when cutting threads on a bolt?



Thanks.


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P

That's the way I've been taught to do it, for whatever that's worth.

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R

Generally yes, you do need to reverse every now and then to break the chips. The small releifs in a die fill up fast, once full the die cannot cut cleanly. I've never seen a spiral fluted die? I wonder if its even been tried?

Remove 333 to reply. Randy

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