The taper tap is a special fishing tool making thread in tubular dropped objects such as drill pipe and tubing. it is a high effective tool in fishing of tubular dropped objects especially with union. The taper tap can be used for different fishing operation when equipped with left hand thread or right hand thread drill pipes and other tools. The taper taps are made from high strength ally steel forging materials and heat treated. It is made with chip groove so as to make threads.
Taper Tap for Drilling | Taper Tap for Workover | ||||||
Type | I.D.mm (in) | Connection | mm(in) Fishing Range | Type | I.D.mm(in) | Connection | mm(in) Fishing Range |
GZ/NC31(LH) | 20 (4/5) | NC31 | 48~66 | GZ/NC26(LH) | 13.5(1/2) | NC26 | 39(1-1/2)~ 67(2 5/8) |
GZ/NC38(LH) | 20 (4/50 | NC38 | 60~77 | GZ/NC31(LH) | 20(4/5) | NC31 | 54(2-1/8)~ 77(3 1/32) |
GZ/NC50(LH) | 25(1) | NC50 | 89~103 | GZ/NC31(LH) | 25(1) | NC31 | 72(2 7/8)~ 93(3 5/8) |
GZ/NC50(LH) | 25(1) | NC50 | 90~113 | GZ/NC38(LH) | 30(1 1/5) | NC38 | 88(3-1/2)~ 103(4 1/16) |
