? Externally threaded glass connectors.
? For use as replacement on apparatus using the GL thread or when designing items where the external thread is preferred.
DIN/ISO GLASSWARE, SVL Screwthread Tube
Borosilicate Glass Screw Thread Tubes GL 25
$1,08
screw thread tube for glass blowers
Screw thread tube for replacement on apparatus using the GL thread,
which is manufactured to I.S.O. specifications. (GL is the I.S.O. designation for GLASS.)
