I am trying to identify the thread form that is used on a 55 gallon (U.S. manufactured) poly drum. One bung has 2" NPT and the other has a 63mm Buttress thread. I normally deal with aerospace standards, so this one was new to me. The thread looks to be a 7 deg/45 deg form, but definitely 63mm...
Systems guy here. My standard method is to give a new engineer a brand new bound engineering notebook day one. Step 1: A reasonable response given to a reasonable newbie question. Generally, guidance and directions on where to go look it up, but not answer question. Then expect them to come...
Looking for good primer, reference and/or design specification on Buttress Threads as might be used in Poly Drum design. Specfically, Buttress Thread (US) - 63mm. Thanks!