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Hei Longjiang North Shuangjia Drilling Tools Co., Ltd
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Payment Terms: | T/T,L/C |
Place of Origin: | Heilongjiang, China (Mainland) |
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The die collar is a special external fishing tool which is tapping on the outside wall of tubing objects such as tubing and drill pipe
The die collar is long cylindrical integral structure which is consisting of sub and tap body with thread in interior of cone as shown in the fig I. the die collar is made of high strength alloy and is made with a cutting groove in the fishing threads.
Type | Joint Thread | mm(in) Fishing Range | Type | Joint Thread | mm(in) Fishing Range |
MZ/NC26 | NC26 | 48(1 7/8)~50(2) | MZ/NC38 | NC38 | 95(3 3/4)~118(4 5/8) |
MZ/NC26 | NC26 | 59(2 5/16)~60(2 3/8) | MZ/NC38 | NC38 | 90(3 9/16) |
MZ/NC26 | NC26 | 68(2 4/9)~73(2 7/8) | MZ/NC50 | NC50 | 127(5) |
MZ/NC31 | NC31 | 69(2 3/4)~73(2 7/8) | MZ/4 1/2''FH | 4 1/2''FH | 120(4 3/4) |
MZ/NC31 | NC31 | 71(2 4/5)~82(3 1/4) | MZ/4 1/2''FH | 4 1/2''FH | 141(10 1/5) |
MZ/NC31 | NC31 | 89(3 1/2)~93(3 5/8) | MZ/6 5/8''REG | 6 5/8''REG | 168(6 5/8) |