56 x 4 mm Barrel Bung
A barrel bung which fits into the more common 220 Litre Plastic Twin Bung Drums. Our brand new barrels have these bungs.
The thread on the barrel cap measure 56 mm and has a coarse 4 mm pitch thread.
Please bear in mind that there are also other plastic tighthead / twin bung barrels which have caps which measure 64 x 5 mm and 70 x 6 mm.
Any queries please do not hesitate to contact us.
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