The Weldless 1.5" Tri-Clamp Bulkhead flange allows you to add a Tri-clover port to any kettle with no welding or soldering.
Just drill a 1-5/8" diameter hole and tighten the locknut
The o-ring contact is on the flange side of the fitting so make sure there are no burrs on that side of the hole.The
lock nut hex measures 2-1/16" or 52mm. The front of the flange does not
have flats for a wrench. The easiest way to hold the front of the flange
for tightening is to clamp any other TC part on with the gasket and