HF820T Technical specification


Datasheet updated 2017-11-21 13:08 (supersedes all previous editions)

Sandvik HF820T hydraulic rock drill is designed for drilling 64-127 mm diameter holes. This rock drill belongs to Sandvik hydraulically controlled surface and underground long hole drill rigs.

Sandvik HF820T is a heavy hydraulic percussive rock drill with independent rotation and separate flushing. High drilling capacity and reliability are enabled by functional modules. Sandvik HF820T is equipped with a hydraulic stabilizer to control contact between drill bit and rock. This ensures optimal drilling performance with high drill steel life time. Three rotation motor options are available for torque/speed adjustment.

Optional Power Extractor guarantees trouble-free drilling in extreme conditions. The design is covered by several patents.