Manual Tong Type B
Type B Manual Tongs is an essential tool in oil operation to fasten or remove the screws of drill pipe and casing joint or coupling. The handling size of manual tongs can be adjusted by changing latch lug jaws and latch steps. The available range of manual tongs is from 3-3/8 ~12-3/4 inches. B Manual Tongs are also known as HT 55 Manual Tongs.
Parameter of Manual Tong Type B
Type B Manual Tongs is an essential tool in oil operation to fasten or remove the screws of drill pipe and casing joint or coupling. The handling size of manual tongs can be adjusted by changing latch lug jaws and latch steps. The available range of manual tongs is from 3-3/8 ~12-3/4 inches. B Manual Tongs are also known as HT 55 Manual Tongs.
| No-of Latch Lug Jaw | Latch Step | Size Range | Rated Torque |
| mm (in) | (kN·m) | ||
| 5a | 1 | 86~105 (3-3/8~4-1/8) | 55 |
| 2 | 105~133 (4-1/8~5-1/4) | 75 | |
| 5b | 1 | 108~133 (4-1/4~5-1/4) | |
| 2 | 127~146 (5~5-3/4) | ||
| 3 | 152~171 (6~6-3/4) | ||
| 5b1 | 1 | 133~146 (5-1/4~5-3/4) | |
| 2 | 152~168 (6~6-5/8) | ||
| 3 | 172~203 (6-3/4~8) | 55 | |
| 5c | 1 | 168~187 (6-5/8~7-3/8) | 75 |
| 2 | 187~203 (7-3/8~8) | ||
| 3 | 216~219 (8-1/2~8-5/8) | 55 | |
| 5d | 1 | 216~244 (8-1/2~9-5/8) | |
| 2 | 270~273 (10-5/8~10-3/4) | ||
| 5e | 1 | 298 (11-3/4) | |
| 2 | 324 (12-3/4) | ||
| 5e1 | 1 | 273 (10-3/4) | |
| 2 | 299 (11-3/4) | ||
| 5e3 | 1 | 330~340 (13~13-3/8) |
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