Specifications

die collars :
The die collar is a special external fishing tool which is engaged on the outside wall of tubing objects.

 die collars

 

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

 

                                          

 

Type	thread	OD of fishing (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