Specifically AliExpress sourced toolholders & inserts. I've had these sitting around since summer & finally tried them out. Note, I am not an experienced threading guy so had to learn this stuff by reading & web surfing. From what I can tell, these are pseudo clones of Carmex which are very spendy. Like 100$ toolholders & 20$ inserts. The Ali toolholders are about 10$ and pack of 10 inserts for 40$. I was a bit suspicious because I didn't see the anvils mentioned in the clones. I'm not sure what to tell you there yet. Possibly they just mill the pockets for the nominal rake angle, so you get what you get dictated by the insert & tweaking is just not possible. Or maybe anvils are available but by a different clone suppliers. Some sellers have rather brutal catalog descriptions. I tried to source from what looked to be more machining orientated as opposed to machine tools and Pokeman cards.
Anyways, onto the results. So far I think I would call it successful. This was just 6061 aluminum & 12L14 steel testers. I have to make my actual parts on stainless. They fit my (7/16x24 TPI) tapped holes very niceley which is a very gratifying feeling. I now have all kinds of threading projects I want to tackle when the time comes.
Those of you experienced threaders who measure pitch diameter with the 3 wire method have my respect. I could not get along with them. I've read recommended tricks like sticking them into position with grease, or rubber accessory do-dads to hold them on the (conventional) mic or hold 2 wires with the lower jaw & slide the top one in under the upper jaw.... ACK! I must have dropped them in the chip pan 10 times & never trusted the measurement. I have an import thread measuring mic & it is so much easier. You just have to remember to pre-zero with each vee + point set though.
Anyways, onto the results. So far I think I would call it successful. This was just 6061 aluminum & 12L14 steel testers. I have to make my actual parts on stainless. They fit my (7/16x24 TPI) tapped holes very niceley which is a very gratifying feeling. I now have all kinds of threading projects I want to tackle when the time comes.
Those of you experienced threaders who measure pitch diameter with the 3 wire method have my respect. I could not get along with them. I've read recommended tricks like sticking them into position with grease, or rubber accessory do-dads to hold them on the (conventional) mic or hold 2 wires with the lower jaw & slide the top one in under the upper jaw.... ACK! I must have dropped them in the chip pan 10 times & never trusted the measurement. I have an import thread measuring mic & it is so much easier. You just have to remember to pre-zero with each vee + point set though.
