Allows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure. Hose connection has an O.D. of 10mm at the largest serration and is bent downward at a 90º angle to the inner joint.


Available Ground joint:


14/20 Ground joint

19/22 Ground joint

24/40 Ground joint

29/42 Ground joint


If the item will be broken in the delivery process,we will send the replacement to  you right now.

Be Made From G3.3 Borosilicate Glass

Annealing Point ------560C

Linear Coefficient of Expansion------ 32×10-7/C

Softening Point------820C