• Manual Tong Type DB (3-1/2
  • Manual Tong Type DB (3-1/2

Manual Tong Type DB (3-1/2"~17"-90)

No. of Latch Lug Jaw1#

No. of Hinge Pin HoleI

Size Range in3-1/2”~6”

Rated Torque (kN *m)90

In Stock

Description

Manual tong is an essential tool in oil drilling operation to fasten or remove the screws of drill pipe and casing joint or coupling. The handling size of manual tong  can be adjusted by changing latch lug jaws and latch steps. The available range of manual tong is from 3-1/2 inch to 17 inch.
They are designed and manufactured according to API Spec 7K Specification for drilling and well servicing equipment.

No. of Latch Lug Jaw

No. of Hinge Pin Hole

Size Range in

Rated Torque (kN *m)

1#

I

3-1/2”~6”

90

II

5-3/4”~7”

III

6-5/8”~8-1/4”

2#

I

8”~9-5/8”

II

10-5/8”~11-1/4”

3#

I

11-3/4”~12-3/4”

55

II

13-3/8”~14-3/8”

4#

II

16”~17”

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