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Part #: KEYSTONE-PLASTIC

Plastic Keystone Bung for Cask Ale

1 review
$1.50

Final Sale: All Draft Beer Equipment, sale, and promotional items are not eligible for returns.

Prevent your precious cask conditioned ale from spilling out the keystone by using this simple but necessary cask part - the plastic keystone bung.


In stock & ready to ship

KEYSTONE-PLASTIC
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Filter Reviews:
JG
19 February 2026
Jonathan G.
United States

perfect, shipped fast and on time

needed these for a special cask event and they landed with plenty of time for me to get my cask set up

Questions & Answers

Needed for Real Beer.Cask Ale
Brewing
I need it
we need for our firkin
Making a cask ale
I do Ceremonial Keg Tapping Events at a Historic German Restaurant.
I also needed this.
We make cask ales.
wood ones leak
Wooden bungs crack
Casks
for the smaller **** hole on the side of the firkin
Trying it out
Chosen by our brew team.
Dropped it down the drain.
Homebrew club participating in a cask festival
because they are awesome
also for a firkin
Needed it.
I've had good results with this product.
because I need it for my cask
Seemed like the perfect thing for my **** hole. Fits snugly. My seepage issues have been resolved!
better sanitization than the wooden ****
Cuz they work well.
Need this to seal ****
The wood one is not as good
has always worked great
casking
To plug my bungholes
starting Firkins in Hawaii

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