Need thread size to make a puller to remove upper gimbal swivel

[84EdH]

Mc 1 drive 52098927. this has the square bottom and splined top on the gimbal ring upper pin. I am trying to thread the bottom of the pin and its pretty rusty inside.......thread size and I will try to run a tap

help appreciated

 

[84EdH]

Re: Need thread size to make a puller to remove upper gimbal swivel

In case anyone else ever needs to know it is 7/16 14