Fishing die collar for workover

Specifications

1.API thread
2.High strength alloy steel forging material
3.With chip groove so as to make threads

Function:

Die Collars is a special fishing tool making thread in tube dropped object such as drill pipe and oil tube.

 

Features:

The taps are turned from high strength alloy steel forging materials and heat treated. It is made with chip groove so as to make threads. The box tap is a special external fishing tool which is engaged on the outside wall of tubing objects such as oil tubing and drill pipe.

 

Detail Specification:

Technical specification and parameters for Die collars
Type	Connection	Catch Size (mm)
MZ-NC26	NC26	41~52
MZ-NC26	NC26	50~68
MZ-NC26	NC26	62~80
MZ-NC31	NC31	69~73
MZ-NC31	NC31	71~82
MZ-NC31	NC31	76~95
MZ-NC38	NC38	86~108
MZ-NC38	NC38	95~118
MZ-NC50	NC50	110~135
MZ-4 1/2FH	4 1/2FH	114
MZ-5 1/2FH	5 1/2FH	141
MZ-6 5/8REG	6 5/8REG	168