Interchangeable High Vacuum 'O' Ring Taps



Please note that all examples of catalogue numbers are for the 'POR' range of fine thread taps. For the 'PTT' range of fast thread taps change the 'POR' to 'PTT' in the catalogue numbers.

Glass pistons are avalible for both 'POR' and 'PTT' ranges of taps by adding '/GLASS' to the end of the catalogue numbers.

Both ranges come in various sizes. The 'POR' range bore sizes are 1 - 10, 15 , 20 25. The 'PTT' range bore sizes are 1 - 10 only. The charactor '-' in the catalogue reference is the bore size of tap.


Straight Through Cat.No. POR/-
Right Angle Tap Cat.No. POR/-/RA
In-Line Tap Cat.No. SPOR/-


Double Oblique Tap Cat.No. POR/D/-
'T' Shape Tap Cat.No. POR/T/-
'T'-Bore Tap Cat.No. POR/W/-


© May 2004 J.YOUNG (Scientific Glassware) Ltd. E&EO.