Quickfit^® cone/screw-thread adapters 

The Quickfit screw-thread joints on these cone adapters provide a versatile means of coupling thermometers, bleed tubes, electrodes, etc.; with Quickfit glassware. The joints are readily adjustable for depth of immersion by slackening the screw cap, and give excellent results under vacuum. Can be used in apparatus at temperatures up to 300 °C providing excessive heat is not applied directly to the screw-thread union.
For replacement parts, see related products section of web site listing.

Quickfit is a registered trademark of J. Bibby Science Products.