Cask Ale fittings


Cask tap ready for cleaning

Could anyone tell me the what is the standard thread on a cask nut which attaches to the spike,as i want to attach it to a cleaning socket which seams to have a few types is it 3/4bsp thread or y thread thanks


  1. The "Y" thread is the older thread most brewers use the 3/4bsp thread now, I think! The 3/4bsp thread has a lot more threads per inch (finer) than the "Y"thread, if that is the best way to describe it.

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