Type Q60-273/48(2 3/8-10 3/4in) WWB Manual Tong is an essential tool in oil drilling operation to fasten or remove the screws of drill pipe and casing joint or coupling. It can be adjusted by changing latch lug jaws.
| No.of Latch Lug Jaws | Size Range | Rated Torque | ||
| in | mm | lb·ft | KN·m | |
| 1# | 2 3/8-3 3/4 | 60.3-95.25 | 35000 | 48 |
| 2# | 3 1/2-4 5/8 | 88.9-117.48 | ||
| 3# | 4 1/2-5 3/4 | 114.3-146.05 | ||
| 4# | 5 1/4-7 1/4 | 133.35-184.15 | ||
| 5# | 6 7/8-8 5/8 | 174.63-219.08 | ||
| 6# | 9-10 3/4 | 228.6-273.05 | 25000 | 35 |
