| Code | Description |
| 631401~631420 | Straight Pipe Thread, G Type, 1/16″~4″, Carbon Steel |
| 631426~631438 | Straight Pipe Thread, PF Type, 1/8″~2″, Carbon Steel |
| 631451~631470 | Straight Pipe Thread, G Type, 1/16″~4″, High Speed Steel |
| 631476~631488 | Straight Pipe Thread, PF Type, 1/8″~2″, High Speed Steel |
| 631501~631514 | Taper Pipe Thread, RC Type, 1/16″~4″, Carbon Steel |
| 631516~631524 | Taper Pipe Thread, PT Type, 1/8″~2″, Carbon Steel |
| 631526~631539 | Taper Pipe Thread, RC Type, 1/16″~4″, High Speed Steel |
| 631541~631549 | Taper Pipe Thread, PT Type, 1/8″~2″, High Speed Steel |
| 631601~631606 | Straight Pipe Thread, NPS Type, 1/8″~1″, Carbon Steel |
| 631611~631622 | Taper Pipe Thread, NPT Type, 1/16″~3″, Carbon Steel |