Drilling Equipments

Oil Production Equipments

Other Service Tools

Taper Tap & Die Collar

The Taper Tap is a special fishing tool making thread on the inside wall of tube dropped objects such as drill pipe and oil tube, and the Die Collar is a special external fishing tool which is engaged on the outside wall of tubing objects such as oil tubing and drill pipe. They are made with chip groove so as to make threads easily. The Taper tap and Die Collar are made up of high quality alloy steel and processed by special heat treatment, having the advantages of high strength, high toughness and easy tapping.

Taper tap specifications:

Type      

Connection  API

 Overall Length
(mm)

Fishing I.D. Range

GZ-2 7/8〞IF

2 7/8〞IF

600

138—146

GZ-NC31

NC31

780

38—51

GZ-NC26

NC26

550

44—48

GZ-NC31-1

NC31

860

42—62

GZ-NC31-2

NC31

880

50—70

GZ-NC38-1

NC38

860

38—58

GZ-NC38-2

NC38

820

58—76

GZ-NC38-3

NC38

800

60—77

GZ-NC38-4

NC38

800

55—85

GZ-NC50-1

NC50

980

65—90

GZ-NC50-2

NC50

800

89—103

GZ-NC50-3

NC50

800

91-100

GZ-NC50-4

NC50

1200

85—135

GZ-NC50-5

NC50

1260

110—160

GZ-NC50-6

NC50

1170

160—200

GZ-NC50-7

NC50

1110

200—235

GZ-4 1/2〞FH-1

4 1/2〞FH

900

53—83

GZ-4 1/2〞FH-2

4 1/2〞FH

850

89—108

GZ-4 1/2〞FH-3

4 1/2〞FH

850

102—121

GZ-5 1/2〞FH

5 1/2〞FH

1050

102—132

GZ-2 7/8〞IF-LH

2 7/8〞IF LH

600

138—146

GZ-NC31-LH-1

NC31 LH

780

38—51

GZ-NC31-LH-2

NC31-LH

880

50—70

GZ-NC31-LH-3

NC31 LH

780

60—95

GZ-NC38-LH

NC38 LH

880

55—77

GZ-NC50-LH-1

NC50 LH

980

65—90

GZ-NC50-LH-2

NC50 LH

1100

58—102

GZ-NC50-LH-3

NC50 LH

1200

85—135

GZ-NC50-LH-4

NC50 LH

1260

110—160

GZ-NC50-LH-5

NC50 LH

1170

160—200

GZ-NC50-LH-6

NC50 LH

1110

200—235

Taper tap specifications:

       Type

Connection   API

Overall Length
(mm)

Fishing I.D. Range

MZ-3 1/2〞REG

3 1/2〞REG

880

80—105

MZ-2 3/8〞REG

2 3/8〞REG

600

67—79

MZ-4 1/2〞REG

4 1/2〞REG

880

110—135

MZ-NC26

NC26

600

49—68

MZ-NC31

NC31

600

76—95

MZ-NC38

NC38

700

86—108

MZ-NC50-1

NC50

880

130—153

MZ-NC50-2

NC50

900

155—178

MZ-NC50-LH-1

NC50-LH

880

130—153

MZ-NC50-LH-2

NC50-LH

900

155—178