API 7-1 fishing tool taper tap

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 OC mm(in)

Conn.

Wicker Range mm(in)

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 5/8 REG

203(8)

6 5/8REG

165-203(6 1/2-8)