Sandvik DZ701 bolter is designed to stabilize the roof and face in longwall coal mines before equipment recovery operations. The bolter is powered by the longwall hydraulic system and operates on the AFC rack. Two independent, hydraulically controlled drill rigs offer proven safety and efficiency for bolting operations
Large level sumping platforms
Large level sumping platforms on DZ701 offer increased safety and ergonomics.
Variable rig positioning
Adjustable rig positioning allows for operation across different conditions and challenges.
Easy bolt installation
Install bolts easily and efficiently with DZ701’s high-torque drill heads and gripping head plates.
North-South tilt angle
+5°, -115°
Platform sump
480 mm
Min width
1,700 mm
East-West drill angle
20 °
Reliability and safety
This bolter is engineered with high-quality stainless steel controls, ensuring reliability, safety and ease of use.