DTH Drilling Rigs · EB-2B09EE6E51
Zhigao 421TA
Blast-hole drilling in quarries and surface minesInquire about this machine ↗Used Zhigao 421TA surface DTH (DTH) drilling rig, for quarry, surface mine blast-hole and bench drilling.
- Brand
- Zhigao
- Model
- 421TA
Machine applications
Zhigao 421TA is an integrated surface DTH drilling rig for quarrying, construction and surface mine drilling. Drilling equipment combined with an onboard air supply can be matched to the hole diameter, rock and drill rod configuration.
- Quarry bench and blast-hole drilling
- Surface mining production drilling
- Construction rock drilling
Technical Parameters & Equipment Features
Equipment performance and construction applications
Zhigao 421TA · Technical Features and Applications Technical Parameters Hole diameter: 90–127 mm (applies to: 421TA (2022 configuration version)) Rotary torque: 1500 N·m (applies to: 421TA (2022 configuration version)) Engine power: 162 kW (applies to: 421TA (2022 configuration version)) Compressor air delivery: 12 m³/min (applies to: 421TA (2022 configuration version)) Compressor working pressure: 18 bar (applies to: 421TA (2022 configuration version)) Main Technical Features • Integrated DTH drilling rig • Onboard compressed air system • Crawler undercarriage with hydraulic rotation and feed mechanisms Construction Applications • Quarry blast holes • Civil construction rock excavation • Rock drilling in surface coal and metal mines
Machine features
- A mobile surface drilling layout for moving between working positions
- A down-the-hole drilling method designed for surface rock operations
- Mast and feed structure arranged for blast-hole drilling
Actual machine photos showing the current appearance, structure, and visible condition of this used equipment.
Buyer considerations
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