There are Coarse thread and Fine thread available for our plastic bung plugs bung caps,also both in international standard .High quality injection-molded high-density polyethylene plugs with precision threads for leak-tight fit. Qiming Packaging 2 inch and 3/4 inch plastic bung plugs bung caps material are PP–Polypropylene,PE—Polyethylene designed to protect your flammable liquids and melt and relieve the container pressure in case of a fire incident .And metal plugs ,nylon plugs  ,and matched gaskets also available here .

New type of plastic bung plugs bung caps are available— large plugs have 3/4″ NPT center knockout to accept faucet.This plugs threads into a 2″ butrress bung and it has a knockout with a 3/4″ NPT thread in the center. Use this as a 2″ Buttress drum plug or knockout the center to use as an adapter to adapt down to 3/4″ NPT.Replacement parts to help you extend a drum’s life and reduce replacement costs.