Taper tap is a special tool cutting thread and fishing internally in dropped objects such as tubing, drill-pipe, wash-over pipe, packer, water flow allocator, down-hole production allocator. The tool is especially a great success in catch of objects accompanied with couplings. The taper tap can effect different fishing operations when equipped with RH thread or LH thread drill pipes and other tools.
Taper Tap
- Designed and manufactured according to API spec 7-1.
- The tool are used to go engage the outside diameter of a fish.
- It is engaged on the outside wall of tubing objects.
- It is manufactured from high alloy steel and special heat treated.

Product Parameter
Type | Connection | Overall Length | Fishing I.D.Range |
GZ-NC31-LH-1 | NC31 LH | 63-9/32 | 1-17/32~2-3/32 |
GZ-NC31-2 | NC31 | 22-23/32 | 2-13/64~2-23/64 |
GZ-NC38-7 | NC38 | 33-55/64 | 3-5/16~4-11/64 |
GZ-NC38-8 | NC38 | 33-55/64 | 4-11/16~5-35/64 |
GZ-NC38-9 | NC38 | 37-13/32 | 3-13/16~4-59/64 |
GZ-NC38-10 | NC38 | 27-61/64 | 3-27/64~3-15/16 |
GZ-NC50-11 | NC50 | 44-31/64 | 3-1/4~4-49/64 |
GZ-NC50-12 | NC50 | 36-5/8 | 2-3/4~3-3/4 |




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Liaoning Tolian Technology development Co,. Ltd
Adress:No.45 Shuangde Street,Tiexi Distrct,Anshan City,Liaoning Province,China