Unionlever (Group) Petroleum Equipment Co.,Ltd.

Taper Taps & Die Collar

Taper Taps

 

The taper tap is a special fishing tool making thread on the inside walls of tube dropped objects such as drill pipe and oil tube. 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.


Type

Connection
API

OAL
(mm/inch)

Fishing I.D. Range
(mm/inch)

GZ-NC31-LH-1

NC31 LH

1607.5(63-9/32)

39~53(1-17/32~2-3/32)

GZ-NC31-2

NC31

557(22-23/32)

56~60(2-13/64~2-23/64)

GZ-NC38-7

NC38

860(33-55/64

84~106(3-5/16~4-11/64)

GZ-NC38-8

NC38

860(33-55/64

119~141(4-11/16~5-35/64)

GZ-NC38-9

NC38

950(37-13/32)

97~125(3-13/16~4-59/64)

GZ-NC38-10

NC38

710(27-61/64)

87~100(3-27/64~3-15/16)

GZ-NC50-11

NC50

1130(44-31/64)

82.5~121(3-1/4~4-49/64)

GZ-NC50-12

NC50

930(36-5/8)

69.9~95.3(2-3/4~3-3/4)


Die Collar
 
   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. 

Type

Connection
API

OAL
(mm/inch)

Fishing O.D Range
(mm/inch)

MZ-2-3/8REG-2

2-3/8REG

550(21-21/32)

73~80(2-7/8~3-5/32)

MZ-3-1/2REG-2

3-1/2REG

600(23-5/8)

89~100(3-1/2~3-15/16)

MZ-NC31-LH-1

NC31 LH

880(34-41/64)

55~85(2-11/64~3-11/32)

MZ-NC38-1

NC38

1000(39-3/8)

63.5~101.6(2-1/2~4)

MZ-NC50-1

NC50

1050(41-11/32)

150~185(5-29/32~7-9/32)

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