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
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