Can i use the outside threads of a 1.5in bulkhead?

[Milad]

Originally Posted by StirCrazy

the threads on a bulkhead are strait threads so the other piece will go on and off easy, pipe threads are tapered so they tighten as they thread on. two different threads which are not compatable. you might be able to get it on a couple threads and it may not leak, but it will be a very weak union which will pull out very easy with a bit of bumping.

Steve

so what you are saying is I should throw a slip in and cement it?