Recommended hole range:90-138mm
JIEA B4A adheres to the leading technology and mature down the hole drilling method of
Sweden Epiroc Rock Drills Aktiebolag (formerly Atlas Copco Group). B5 integrated surface
drilling rig integrates DTH drilling rig and portable air compressor, with compact structure,
flexible mobility, convenient displacement and transfer. It is equipped with two-stage dry dust
collecting system with high-speed fan, large filter area for excellent dust removal effect. At the
same time, it is equipped with automatic rod-handling system, very convenient operated by
single operator, higher work efficiency and lower drilling cost and safer. It is widely applied in
ore, limestone mining, road engineering construction and other open-pit projects.JIEA B4A is
equipped with air-conditioned cab , the operating environment is more comfortable and the
safety is greatly improved.
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