The Square Thread System

General Features

 

  • The square thread coupling system provides an easy means of extending drill rods for lengths associated with the installation of Flexibolt and Hi-Ten strand bolts, etc.
  • The system features a purpose designed square thread and slimline couplings.
  • The coupling's external form incorporates a course thread type form to assist in hand uncoupling and flushing of cuttings.
  • The system is available to suit both 19mm and 22mm hexagonal drill rods.
  • A range of components are available to complement the square thread extension system.
  • Primary drill rod drive ends are available as per data sheets D2.1, D2.2, D2.3, D2.4 and D2.5
  • Please refer to your DSI Technical Service Engineer for details of product codes if special drive ends or lengths are required.

 

 


Notes
       

  • 19mm hexagonal drive rod ‘bit’ ends can only be tapered 1/2" whitworth or M14 threads.
  •  DSI's Mining Products Division is Quality Assured to ISO 9001:2000, Registration No.QAC/R61/0315.
  • Only DSI rock bolt components should be used in order to obtain optimum performance of the bolt system.
  • DSI's Mining Products Division is Quality Assured to ISO 9001:2000, Registration No.QAC/R61/0315.