QUICKFIT® Screw Thread Tubes are manufactured from 3.3 expansion borosilicate glass, complying with ISO 3585 (ASTM E-438 Type I Class A), and are designed for use by professional glassblowers in the fabrication and modification of laboratory glassware. These unbadged screw thread tubes are compatible with a full range of QUICKFIT® screw thread joint components, including aperture screwcaps, silicone rubber sealing rings, and PTFE washers. When assembled, they form a reliable screw thread joint capable of securely accepting thermometers, temperature probes, and other laboratory accessories.

Engineered for durability, chemical resistance, and thermal stability, QUICKFIT® Screw Thread Tubes provide consistent performance in laboratory and process environments where precision and reliability are required.

Key Features

• Manufactured from 3.3 expansion borosilicate glass
• Compliant with ISO 3585 / ASTM E-438 Type I Class A
• Designed for glassblower use in laboratory glassware construction
• Compatible with QUICKFIT® screw thread fittings and accessories
• Suitable for thermometers, probes, and similar instruments
• Supplied unbadged for flexible integration into custom assemblies