Conical joints
Single conical ground socket
Single conical gound socket, DIN 12249, borosilicate glass 3.3

| NS-Hülse | Rohraußendurchmesser mm | Länge mm | Wanddicke mm | Art. Nr. | 
| ST-socket | outer tube diameter mm | length mm | wall thickness mm | product code | 
| 7/16 | 10 | 120 | 1,5 | 61 414 302 | 
| 10/19 | 13 | 120 | 1,5 | 61 414 303 | 
| 12/21 | 15 | 120 | 1,8 | 61 414 304 | 
| 14/23* | 18 | 120 | 1,8 | 61 414 305 | 
| 14/23* | 22 | 120 | 1,8 | 61 414 315 | 
| 19/26 | 22 | 125 | 1,8 | 61 414 306 | 
| 24/29 | 28 | 135 | 2,0 | 61 414 307 | 
| 29/32 | 33 | 135 | 2,0 | 61 414 308 | 
| 34/35 | 40 | 150 | 2,3 | 61 414 309 | 
| 45/40 | 50 | 150 | 2,5 | 61 414 310 | 
| 60/46 | 65 | 180 | 3,2 | 61 414 312 | 
| 71/51 | 75 | 200 | 3,2 | 61 414 313 | 
| *in Ergänzung zur DIN / in addition to DIN | ||||