Tailstock die holder - video

[mklotz]

Spend 29 minutes on a contributor who is displeased with die threading?
Hex dies are for re-threading damaged threads.
Split-dies accomplish proper threads from the solid.
Simply examine the tool in question, and resulting chips. Ask anyone with a background in mass manufacture processes. The only common solid dies are known as "Acorn dies", used in vast numbers of turret lathes and screw machines, especially smaller diameters & pitch combinations.

Shop Practice 101 (not unproved theory, 'looks like', or uninformed short cuts).

Not ALL hex dies are for rethreading/thread repair.

I have a Craftsman die set (bought MANY, MANY years ago) where all the dies are hex as is the wrench which holds them. They work as well as the circular split dies I acquired later. Replacement dies are still available on the Bay...

https://www.ebay.com/itm/19417372301...d48747c6d56d2c