Product Description

The Mammoth Top Sub is a short length of drill collar that has male threads on one end and female on the other. It is screwed into the bottom of the Topdrive (Rotaryhead) or Shocksub and onto the Drill Rod. It serves as a crossover between the Topdrive (Rotaryhead) or Shocksub connections and the Rod connection.

The Mammoth Bottom Sub is a short length of drill collar that has male threads on one end and female on the other. It is screwed onto the bottom of the Drill Rod and onto the drill bit. It serves as a crossover between the Drill Rod connections and the bit connection.

Benefits of the Mammoth Sub Adaptors

  • Quality Manufacturing
  • Durability for the best performance
  • Produced to our standard quality manufacturing procedures
  • Fully repairable 

Mammoth Sub Adaptors