Heavy duty wireline core drilling rods

(copy 1)


Caractéristiques générales

For deep hole applications down to 3000 meters, we propose our heavy duty range of drill rods.

Characteristics :

  • Mid body of cold-drawn seamless steel tubing.
  • Friction welded end pieces of specially treated steel with very high mechanical resistance.
  • Specific thread design for deep hole drilling with very high resistance as to torque and as to extension.
  • Straightness and Hoop Stress controlled tubing.
  • Surface treatment on pin threads to prevent galling.

Fiche commerciale

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