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API 7-1High-grade alloy steel Fishing tool drill pipe fishing tools junk sub / taper tap/ die collar
API used drill pipe fishing tools taper tap/ die collar
Taper tap is a fishing tool which making thread and engaging fish internally,such as drill pipe and tubing.It has high success rate for fishing tubular fishes with coupling.It works with right and left hand drill pipe,and other tools.It can be used in different fishing process.The taper tap is made of high quality alloy steel and processed by special heat treatment. In order to make threads easily, it is made with chip groove .
Specification
Model | Sub OD mm(inch) | Conn. | Wicker Range mm(inch) |
GZ-NC31 | 105(4 1/8) | NC31 | 79 ~ 105(3 1/8 ~ 4 1/8) |
GZ-NC38 | 121(4 3/4) | NC38 | 82 ~ 121(3 1/4 ~ 4 3/4) |
GZ-NC50 | 165(6 1/2) | NC50 | 127 ~ 165(5 ~ 6 1/2) |
GZ-6-5/8REG | 203(8) | 6 5/8REG | 165 ~ 203(6 1/2 ~ 8) |
Die Collar is a special external fishing tools which is engaged on the outside wall of tubing objects such as oul tubing and drill pipe.Like taper taps, it can be fluted with grooves for easy elimination of the cutting. It is bevelled at the base and can be easily engaged in the fish head. It can be either plain or threaded for fitting various types of guides.
Specification
| Type | Connection | Total Length (mm) | Fishing ID range (mm) |
| MZ-2 3/8 REG-2 | 2 3/8 REG | 550 | 73-80 |
| MZ-3 1/2 REG-2 | 3 1/2 REG | 600 | 89-100 |
| MZ-NC31-Lh-1 | NC31LH | 880 | 55-85 |
| MZ-NC38-1 | NC38 | 1000 | 63.5-101.5 |
| MZ-NC50-1 | NC50 | 1050 | 150-185 |
| MZ-NC38-2 | NC38 | 900 | 101.6-127 |




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