5 ms·Ever try and cut metric threads on an engine (non-CNC) lathe? Hope you didn't disengage the half-nut...by joe_bleau 18y agoEver try and cut metric threads on an engine (non-CNC) lathe? Hope you didn't disengage the half-nut...paddy_m 18y agoI have had a fascination with machining for a while, are you guys practiced in the art?joe_bleau 18y agoI'm not, but I've turned the handles and made chips in machine shop or three. I do know a few real old-school experts, however.