Rock Drill Attachment for Excavator - Button bits factory
PD-45, PD-90, PD-115 use top hammer bit and rod, like R32-45mm, T38, T45, 76mm-89mm, working for mining blasting, benching drilling to replace real top hammer drill rig. PD-40 Drill attachment mounted 12 tons Soosan excavator drilling granite . PD-45 Drill Attachment, use R32-45 mm button bit, and R32 Extension Rod 3660mm.
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