DU412i Articulated in-the-hole production drill rig

Sandvik DU412i is a highly versatile and compact in-the-hole (ITH) longhole drill fitted with an onboard booster and designed for underground mining in 3.2 x 3.2 m or larger production drifts.

Sandvik DU412i is capable of drilling vertical and inclined fans and single or parallel Ø3½"–8½" (90–216 mm) longholes, using 3" to 8" ITH hammers and Ø3" to Ø5" (76–127 mm) drill pipes. The DU412i can be fitted with a V-30 head for Ø30" (762 mm) reaming in service support, or reaming up to Ø17½" (445 mm) holes with 12" hammers in rapid raising.


  • Versatility with all applications standardized into one feed, optimized for automation
  • Electro-hydraulic air system control allows effective use of different hammer and hole sizes
  • Automated drilling, data transfer and remote control ensure improved drilling productivity
  • On-screen drill plan handling, data transfer and integration into OptiMine remote monitoring
  • Good access to service points from ground level for safe and fast maintenance

Solid Ground Online

Control in the hole

15 June, 2017 The Sandvik DU412i drill rig brings highly flexible and automated in-the-hole drilling to underground…

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