Specification :

YT27
The rock drill is a kind of high efficiency air leg rock drill machinery.it is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defence project facility.
specification
Weight 27 kg
Outside dimension(L¡�W¡�H) 668¡�248¡�202mm
Cylinder dia 80mm
Piston stroke 60mm
Impact energy ¡�75.5J
Impact frequencey ¡� 36.7Hz
Air consumption ¡Ü83.3L/S
Air pipe (inner dia) 25mm
Water pipe (inner dia) 13mm
Air pressure 0.63MPa
Water pressure 0.3MPa
Bore dia 34-45mm
Bore depth 5m
Shank dimensions(hex¡�length) 22¡�108¡Àmm¡�mm