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Sandvik Mining and Construction B.V
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  5. Sandvik - Model DD422i - Development ...

Sandvik - Model DD422i -Development Drill Rig

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Sandvik DD422i has the widest range of automatic drilling functions, able to achieve reduced over-breaking with maximized pull-out per blast. It’s the ideal choice for underground mine development and small-scale tunneling.

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Optimized working environment

Optimize your operator’s comfort with a modern, ergonomic cabin, designed to improve visibility while reducing noise levels.

TFX telescopic feed

In limited spaces where both long and short rods are required, the TFX telescopic feed allows multipurpose drilling. Bolt hole drilling, face drilling, bolt installation and cross-cuttings are all possible.

Dual controls

The dual controls option allows true multipurpose usage of the drill, improving fleet optimization, versatility and performance. DD422i can be used across multiple applications: face drilling, bolt hole drilling and bolting. The optional pumpable resin system ensures high bolting quality and faster cycle time. This option supports: solid rebar, self-drilling bolt and hollow bar.