By Huu Khanh Nguyen · Updated October 27, 2026 · kee-klamp, tube-fitting, tee, single-socket-tee
A cast railing fitting where a short sleeve slips over the through tube and a socket joins a second tube to it at a right angle.
| Name | Default | Unit |
|---|---|---|
| Tube outside diameter | 48.3 | mm |
| Socket bore | [0.76, 0.87, 1.09, 1.38, 1.72, 1.94, 2.41].at([17.5, 21.3, 26.9, 33.7, 42.4, 48.3, 60.3].indexOf(tubeDiameter)) * 25.4 | mm |
| Sleeve diameter | 1.2 * bore | mm |
| Stem reach | [1.13, 1.36, 1.63, 1.81, 2.38, 2.69, 3.31].at([17.5, 21.3, 26.9, 33.7, 42.4, 48.3, 60.3].indexOf(tubeDiameter)) * 25.4 | mm |
| Collar length | [0.94, 1.2, 1.47, 1.84, 2.16, 2.38, 2.88].at([17.5, 21.3, 26.9, 33.7, 42.4, 48.3, 60.3].indexOf(tubeDiameter)) * 25.4 | mm |
| Finish | white |