| Sizes | Code galvanized | Code black |
|---|---|---|
| 1/4" | 310-2G | 310-2S |
| 3/8" | 310-3G | 310-3S |
| 1/2" | 310-4G | 310-4S |
| 3/4" | 310-5G | 310-5S |
| 1" | 310-6G | 310-6S |
| 1 1/4" | 310-7G | 310-7S |
| 1 1/2" | 310-8G | 310-8S |
| 2" | 310-9G | 310-9S |
| 2 1/2" | 310-10G | 310-10S |
| 3" | 310-11G | 310-11S |
| 4" | 310-12G | 310-12S |
GEBO / Products / gebofittings /
gebofittings Union- and Backnuts
Type 310
Backnut
