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型号
外径MM
接头螺纹Box
下入套管/油管in
NG73
73 23/8NU
3 1/2
NG95
95 NC26
4 1/2
NG114
114 NC31
5 1/2
NG136
136
NC31
6 5/8
NG150
150 NC38
7
NG176
176 NC38
8 5/8
NG190
190 NC38
9 5/8


 The internal hook is a fishing tool generally used inside casings and oil tubings for fishing ropes and other fishes such as wire-lines, cables, logging wire-lines and paraffin cutters.
Internal hook
Order instruction
1When Order product is available in our specification table,please specify the model number in the contract.
2When order special size,please specify internal hook OD and thread connection.
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Tianhe Oil Group Huifeng Petroleum Equipment CO. ltd.