 
 18266830000

The rock drill is a kind of high efficiency air leg rock drill machine.It is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and national defence project facility.
		
	
		
	
| Technical specifications | |
| Type | YT27 | 
| Weight | 26 (Kg) | 
| Length | 668 (mm) | 
| Cylinder dia | φ80 (mm) | 
| Piston stroke | 60 (mm) | 
| Working pressure | 0.4~0.5 (Mpa) | 
| Impact energy | ≥70 (J) | 
| Impact frequency | ≥36 (Hz) | 
| Air consumption | ≤85 (L/s) | 
| Working water pressure | 0.2~0.3 (Mpa) | 
| Air pipe inner dia | φ25 (mm) | 
| Water pipe inner dia | φ13 (mm) | 
| Rock drill hole dia | φ34~φ42(mm) | 
| Rock drill hole depth | 5 (m) | 
| Shank size | 22×108(mm) |