Specialized Drilling Rigs · EB-43A9A267C3
Zhigao 420ST
Blast-hole drilling in quarries and surface minesInquire about this machine ↗Used Zhigao 420ST anchoring drilling rig for slope, excavation and engineering support drilling. Contact GLOBMACH for diesel-electric power, drilling tools and equipment configuration.
- Brand
- Zhigao
- Model
- 420ST
Machine applications
Zhigao 420ST is a diesel-electric dual-power anchoring drilling rig with a DTH hammer and hydraulic rotation and feed mechanisms, mainly for slope and excavation anchoring and engineering support drilling.
- Slope and excavation anchoring
- Engineering support drilling
Technical Parameters & Equipment Features
Equipment performance and construction applications
Zhigao 420ST · Technical Features and Applications Technical Parameters Hole diameter: 90–203 mm (applies to: 420ST (2022 version configuration)) Rotary torque: 5000 N·m (applies to: 420ST (2022 version configuration)) Diesel engine power: 58 kW (applies to: 420ST (2022 version configuration)) Motor power: 55 kW (applies to: 420ST (2022 version configuration)) Hammer size: 4 inch (applies to: 420ST (2022 version configuration)) Main Technical Features • Diesel-electric dual power • Down-the-hole hammer drilling • Hydraulic rotation and feed mechanisms for anchoring hole positioning Construction Applications • Slope and excavation anchor drilling • Engineering support drilling
Machine features
- Diesel-electric dual-power configuration
- DTH hammer working with hydraulic rotary drilling
- Hydraulic feed mechanism for anchoring hole positioning
Actual machine photos showing the current appearance, structure, and visible condition of this used equipment.
Buyer considerations
Is this machine suitable for your project?
Provide anchoring hole diameter, depth, angle and ground conditions when requesting a quotation; match the DTH hammer, drill rods, air source and site diesel or electricity conditions to this machine's configuration, and specify included accessories.
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