Type SDD Manual Tong
The type SDD Drill Collar tongs are designed and manufactured in accordance with the API Spec 7K《Specification for Drilling and Well Servicing Equipment》and the National Standard for the Petroleum and National Gas Industry SY/T 5035 《Elevator links ,elevators and tongs》 .Which is a useful tool applied to make up and break out drill pipes , coupling hoop of the drill pipe , joint, casings, casing hoops etc .When raise drill tool up and fall it down .Changing lug jaw and handling shoulders or hole can adjust the handling size of the tongs.
Technical Specifications：
|
Latch Lug Jaw No. |
Gripping Range |
Torque max. |
|
|
in |
mm |
kN·m |
|
|
1# |
4－8 1/2 |
101.6~215.9 |
140 |
|
2# |
8 1/2－12* |
215.9~304.8 |
|
|
3# |
12－15* |
304.8~381 |
105 |
|
4# |
15 3/4* |
400.1 |
140 |
|
5# |
16－17* |
406.4~431.8 |
85 |
