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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.

Product Description

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 Taps 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.

Specifications - Die Collar 

TypeConnection APIOAL (mm/inch)Fishing O.D Range (mm/inch)
MZ-2-3/8REG-22-3/8REG550(21-21/32)73~80(2-7/8~3-5/32)
MZ-3-1/2REG-23-1/2REG600(23-5/8)89~ 100(3-1/2~3-15/16)
MZ-NC31-LH-1NC31 LH880(34-41/64)55~85(2-11/64~3-11/32)
MZ-NC38-1NC381000(39-3/8)63.5~101.6(2-1/2~4)
MZ-NC50-1NC501050(41-11/32)150 〜185(5-29/32~7-9/32)


When ordering, please specify: Type of Taper Tap / Die Collar (plain or guided); Diameter of the fish to catch; Left or right-hand wickers.; Type of wickers (plain or fluted); Smallest and largest wicker diameter.; Length; Top connection; Any special features (guide, etc.)


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Contact Us
  • Tel.: +86 158 0080 9423
  • E-mail: info@aqemachinery.com
  • Add.: Chuangshanghui Building, Yanan East Road No.1882, Changning District, Shanghai, China
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