Origin	China
Model Number	YT28

?.Instruction
The rock drill is a kind of high efficiency air leg rock drill machinery. It is mainly used for diging into mine laneway and blasting holes in all drilling works. It is indispensably importance machine tool in metallurgy, coal, railway, traffic, water conservancy construction and national defence stone project.
It is suitable for drilling and blasting under various of rocks at any direction angles. This machine may match with Model FT160BD short air leg or Model FT160BC long air leg.

?.Specification
Weight 26 kg

Length 661mm

Cylinder dia 80mm

Piston stroke 60mm

Air pressure 0.4- 0.63MPa

Impact frequencey 37 Hz

Air consumption 81L/S

Air pipe (inner dia ) 25mm

Water pipe (inner dia ) 13mm

Drill bit dia 34-42mm

Shank dimensions(hex×length) 22×108mm

The function specification that Air pressure is 0.63Mpa
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