DURAN® Screw Thread Tube, GL
- Complies with DIN 12216
- Manufactured from borosilicate glass 3.3
- The nominal size refers to the outside diameter measured on the thread (available in 5 sizes).
- Safe and easy sealing and loosening of glass-glass components
- Grease-free working possible
- Glass articles for further processing
Products

| Catalog No | Thread | Diameter d (mm) | Wall Thickness s (mm) | Length l (mm) | Remarks | Quantity | |
|---|---|---|---|---|---|---|---|
| 286063403 | GL 45 | 40 | 2.3 | 180 | Non-DIN size | 10 | Find a distributor |
| 286251603 | GL 14 | 12 | 1.5 | 100 | - | 100 | Find a distributor |
| 286253201 | GL 18 | 16 | 1.8 | 100 | - | 50 | Find a distributor |
| 286256207 | GL 25 | 22 | 1.8 | 100 | - | 50 | Find a distributor |
| 286258808 | GL 32 | 28 | 2 | 140 | - | 50 | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
The DURAN® glass threaded tubes with standardised GL thread according to DIN 12216 are used for attachment to glass apparatus. The nominal size refers to the outside diameter measured on the thread. Available in 5 sizes. The available accessories allow a wide range of applications.
Products
Products

| Catalog No | Thread | Diameter d (mm) | Wall Thickness s (mm) | Length l (mm) | Remarks | Quantity | |
|---|---|---|---|---|---|---|---|
| 286063403 | GL 45 | 40 | 2.3 | 180 | Non-DIN size | 10 | Find a distributor |
| 286251603 | GL 14 | 12 | 1.5 | 100 | - | 100 | Find a distributor |
| 286253201 | GL 18 | 16 | 1.8 | 100 | - | 50 | Find a distributor |
| 286256207 | GL 25 | 22 | 1.8 | 100 | - | 50 | Find a distributor |
| 286258808 | GL 32 | 28 | 2 | 140 | - | 50 | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
The DURAN® glass threaded tubes with standardised GL thread according to DIN 12216 are used for attachment to glass apparatus. The nominal size refers to the outside diameter measured on the thread. Available in 5 sizes. The available accessories allow a wide range of applications.
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