Product Name: Portable rock drill machine/air compressor jack hammer/Pneumatic rock drill Description: The series of pneumatic rock drills are mainly used in mine, railway, water irrigation works and quarrying works to drill holes. It's suitable for wet or dry drilling in all kinds of rocks. Drilling direction: Hand held type for perpendicular; Air leg type for titling direction Advantage: Light weight & convenient operation, Low consumption & long life parts, High efficiency & fast drilling velcocity. MOQ: No requirement for testing and trial order Spare parts Integral drill rod, Plug hole drill rods, Tapered/threaded drill rods, Tapered/threaded drill bits (button bits, chisel bits, cross bits)