API 7K Certified Manual Tongs for Pipe Handling - Trusted China Suppliers and Factory for Drilling Operations
All manual tongs can be quickly adjusted by swapping latch lug jaws and handling shoulders, covering a size range from 2-3/8 inches to 10-3/4 inches. Built from high strength alloy steel with advanced heat treatment, they deliver reliable torque transfer and extended service life under demanding rig conditions.
Available configurations include SDD type, AAX, C type, B type, DB type, SB type, WWB, WWC, and specialized workover tongs, each optimized for specific well servicing or drilling applications.
| Type | B | SB | AAX | C | WWC |
| Handling Size Range (in) | 3 3/8 ~ 13 3/8 | 3 1/2 ~ 13 3/8 | 2 7/8 ~ 13 3/8 | 2 3/8 ~ 10 3/4 | 2 3/8 ~ 10 3/4 |
| Max. Torque (KN.m) | 75 | 75 | 75 | 48 | 27 |
| Type | Heavy Calibre | DB | SDD | LF | 35 Well Servicing TONGS |
| Handling Size Range (in) | 13 3/8 ~ 30 | 3 1/2 ~ 17 | 4 ~ 17 | 2 3/8 ~ 7 | 2 3/8 ~ 10 3/4 |
| Max. Torque (KN.m) | 35 | 90 | 140 | 22 | 35 |
Casing Tong
| No. of Latch | Size Range | Rated Torque | |
|---|---|---|---|
| Lug Jaw | in | mm | kN.m |
| 4# | 2013/3/8 | 340, 365 | 8 |
Workover Tong
| No. of Latch | Size Range | Rated Torque | |
|---|---|---|---|
| Lug Jaw | in | mm | kN.m |
| 1# | 2-3/8 ~ 4-1/2 | 60.3 ~ 114.3 | 35 |
| 2# | 4-1/2 ~ 6-1/2 | 114.3 ~ 165.1 | |
| 3# | 6-1/2 ~ 8-5/8 | 165.1 ~ 219.1 | |
| 4# | 9-5/8 ~ 10-3/4 | 244.5 ~ 273.1 | |
Manual Tong WWB type
| No. of Latch | Size Range | Rated Torque | |
|---|---|---|---|
| Lug Jaw | mm | in | kN.m |
| 1# | 60.3 ~ 95.25 | 2-3/8 ~ 3-3/4 | 48 |
| 2# | 88.9 ~ 117.48 | 3-1/2 ~ 4-5/8 | |
| 3# | 114.3 ~ 146.05 | 4-1/2 ~ 5-3/4 | |
| 4# | 133.35 ~ 184.15 | 5-1/4 ~ 7-1/4 | |
| 5# | 174.6 ~ 219.1 | 6-7/8 ~ 8-5/8 | |
| 6# | 228.6 ~ 273.05 | 9 ~ 10-3/4 | 35 |
Manual Tong Features
Operational Efficiency
Quick change jaws and inserts reduce rig floor downtime and improve operation crew productivity.
Multi-Position Latch Mechanism
12-position latch for precise torque application, with a self-locking safety system to prevent accidental release.
Quality Assurance
100% traceability from raw material to finished tool, plus calibrated torque testing on every unit to verify performance before delivery.
Frequently Asked Questions (FAQ)
What is the handling size range for the manual tongs?
The manual tongs cover a general size range from 2-3/8 inches to 10-3/4 inches, which can be quickly adjusted by swapping latch lug jaws and handling shoulders. Heavy calibre types can handle up to 30 inches.
What configurations are available for these manual tongs?
Available configurations include SDD type, AAX, C type, B type, DB type, SB type, WWB, WWC, and specialized workover tongs to suit various well servicing or drilling applications.
What materials are used in the construction of the tongs?
They are built from high strength alloy steel and undergo advanced heat treatment to ensure reliable torque transfer and extended service life under demanding rig conditions.
How does the latch mechanism ensure operational safety?
The tongs feature a 12-position multi-position latch mechanism for precise torque application, equipped with a self-locking safety system that prevents accidental release during operations.
Are the manual tongs tested for quality before delivery?
Yes, every unit is subjected to calibrated torque testing to verify its performance before delivery, alongside 100% traceability from raw material to the finished tool.
How do these tongs improve operational efficiency on the rig?
They utilize quick change jaws and inserts, which significantly reduce rig floor downtime and help improve the overall productivity of the operation crew.




