Check the listing for details. Poly Bung Cap 2" Fine Thread & Coarse Thread Combo for Plastic Drum Barrel. Condition: New. Listed at 10.98 USD. Combo Set Poly plugs for poly drums with BUTTRESS (Coarse threads) the other with 2" NPT (Fine Threads). 3/4" Knock Out NPT threads on both plugs. Includes White EPDM gaskets suitable for most industrial chemicals and FDA listed so it can be used with food products or Buna seals for petroleum based products Our best selling Poly plugs. These plugs are made of heavy weight material used by industrial suppliers. Choose quantity optionsWhite EPDM gaskets or Buna gaskets in the following bundles:1 set of 25 sets of 225 sets of 2 For use with poly drums For tight head or closed top drums Comes with gaskets one BUTTRESS threads and the other with 2" NPT Threads Both with 3/4" Knock Out NPT threads Most Plastic 55 gal barrels have one coarse and one fine threaded bung. These have a threaded center that you can remove the center to allow a spigot or pump to be installed. We also have Drum bung plugs for steel and Plastic Barrels as well as Sealcaps See our Category PETROLEUM EQUIPMENT Good product, good price, fast shipping, thanks.Buyer: icetheo ( 447) During past month Poly Plug PPNPS Fine Thread Bung Cap 2" w/ 3/4" Knock Out Gasket Poly Drum Bung (#401118991141) View Item95 Track Page Views With Auctiva's FREE Counter