Thread Sizes Of Kegs, Parts, Gas Fittings etc

Common thread sizes for keg and homebrewing component parts.

New Column New Column
Mini Keg Mouth

Diameter: 33.5mm, Screw Pitch: 1.5

Opening Size: ID = 31.5mm ED = 39mm

Tap Handle Thread (Own Handles)
3/8"-16 UNC female
MFL Thread (Disconnects)

1/4" SAE

Male or Female Flange

7/16" - 20UNF

Tap Shank and Tap Shank Adapter

5/8" female thread

Type 30 Thread - CO2 Gas Bottles



BS341 No. 8

.860" x 1/14 

Sodastream Gas Bottle


0.825" - 14 NGO

16g & 25g CO2 Bulb (Mini Reg Inlet)
3/8" - 24 UNF
Intertap, Nukatap, Brumby Taps
5/8" male thread
Commercial Keg Coupler 
5/8" male thread