Supplier Assessment Product Description Features of Mini Rock Drill Machine/Pneumatic Rock Drill Computer-controlled drilling machine ensure the excellent quality and superior performance. This Series pneumatic rock drill has strong adaptability in hard rock on the rock drill operation. The product is energy efficiency,its components has long life and durable. Grouped control mechanism,quick to start up, with "air on ,water on, air off,water off" mechanism. Energy-saving and efficient,long service life of parts,and the parts are highly interchangeable. Advantages of mini rock drill machine/pneumatic rock drill Safe and easy to operate High efficiency and reliability The well-known brand Can be used on all rock formation Fast drilling velocity and engery-saving Low vibration and low noise Wet drilling and easy cleaning air /water holes Parts highly interchangeable and easy to purchase ISO9001:2008 ISO14000 Technical Parameters of mini rock drill machine/pneumatic rock drill

Model	Weight (Kg)	Length (mm)	Cylinder Dia x Stroke (mm)	Working Pressure (Mpa)	Impact energy (J)		Impact frequency (Hz)	Air consumption (I/s)
Air leg rock drill
YT28	26	661	60x60	0.4-0.63	≥70	≥37		≤81
YT23	24	628	76x60	0.4-0.63	≥65	≥37		≤78
YT23D	24	668	70x70	0.4-0.63	≥65	≥31		≤67
YT24	24	678	70x70	0.4-0.63	≥65	≥31		≤67
ZY24	25	690	70x70	0.4-0.63	≥65	≥30		≤67
YT27	27	668	80x60	0.4-0.63	≥65	≥30		≤67
Hand-held rock drill
YO15	15	550	58x45	0.4-0.63	≥21	≥32		≤20
YO18	18	550	58x45	0.4-0.63	≥22	≥32		≤20
Y19A	19	600	65x54	0.4-0.63	≥28	≥28		≤37
YO20	20	561	63x55	0.4-0.63	≥26	≥33		≤33
Y26	26	650	65x70	0.4-0.63	≥30	≥23		≤47

Applications of mini rock drill machine/pneumatic rock drill It is mainly used for blasting holes and other drilling works in quarries, railway construction, water conservancy construction and defence project facility. It is suitable for drilling and blasting under various of rocks at any direction angles.Blast hole dia. is 34-42mm,drill hole depth is 5 m. This machine may match with Model FT160BD short air leg or Model FT160BC long air leg. This machine has transparent surface of FY200B oil reservoir to regulate oil. Product Overviews Pictures of mini rock drill machine/pneumatic rock drill