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  • Rota coal Drill Rods
 
  Special Purpose Drill Rods
 
For Exploration and Surveys
1. Wire line (Q) Series Drill Rods Compatible with Long-year design:   

We manufacture wire line rods manufactured from the highest quality steel tubes SAE 1040 / 1541 / 4130 and certify the physical and chemical properties as per BS 4019, DCDMA & Swedish Standard. Wire line rods can be supplied with either Chrome plating or Induction hardened as required.


Dimensions
 
Description AQ BQ NQ HQ PQ
  in mm in mm in mm in mm in mm
Rod O.D. 1.375 34.9 2.19 55.6 2.75 69.9 3.50 88.9 4.50 114.3
Rod I.D. 1.750 44.5 1.81 46.0 2.37 60.3 3.06 77.8 4.06 103.2
Coupling O.D.                 4.62 117.5
Coupling I.D.                 4.06 103.2
Threads per inch 4 3 3 3 3
 
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