11-04-2014, 08:11 AM
I'm not an engineer so I can't say with any authority just how much thread engagement is the minimum requirement. I won't let that stop me from throwing out an uninformed SWAG of 1.5x the diameter.
So for a 1-1/4" thread I'd say roughly no less than 1.875" engagement?
So for a 1-1/4" thread I'd say roughly no less than 1.875" engagement?