Hand-held Pneumatic Rock Drill

chinacoal07 https://www.chinacoalintl.com https://m.chinacoalintl.com/ :hand-held pneumatic drilling machine; pneumatic hand held drilling rig; pneumatic jumbolter; Rock bolting rigs; roof bolting machine Product Introduction The pneumatic hand-held drilling rig suitable for the coal lane installation with the rock hardness acuities ≤f6, half coal lane of the coal bolting work. It could also drill the anchor hole, mix and install the anchors of the resin type. Technical