Dongying Kaihao Petroleum Equipment Co. Ltd._Die Collar
 
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Die Collar

 

Die collar is a special fishing tool which is used in thread making from external wall of tubing objects, such as tubing and drill pipe. It can be used in fishing cylindrical objects without inner bore or stuck inner bore.   

Model

Connection thread
API

Total length
mm/inch)

Fishing range
(mm/inch)

MZ-2-3/8REG-2

2-3/8REG

550(21-21/32)

7380(2-7/83-5/32)

MZ-3-1/2REG-2

3-1/2REG

600(23-5/8)

89100(3-1/23-15/16)

MZ-NC31-LH-1

NC31 LH

880(34-41/64)

5585(2-11/643-11/32)

MZ-NC38-1

NC38

1000(39-3/8)

63.5101.6(2-1/24)

MZ-NC50-1

NC50

1050(41-11/32)

150185(5-29/327-9/32)

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