I picked up an old Huebler HM with a warped shaft and want to replace it with a newer shaft for breaking, to match my HJ - also in the brochure below. Does anyone know if the 5/16 - 18 threads are specific to Huebler, i.e. will a joint with a brass insert at 5/16-18 shaft fit? I also have a cheap cue for my granddaughter that appears to have 5/16-18 but it won't fit?
Thanks in advance.
EDIT: Adding picture of brochure.
Thanks in advance.
EDIT: Adding picture of brochure.