Y20LY Pneumatic Hammer Drill

Parameters	Y20LY
Weight, kg	18
Length, mm	609
Cylinder diameter mm	60
Piston stroke, mm	50
Working pressure, MPa	0,4~0,5
Impact energy, J	≥32,7
Frequency, Hz	≥30
Air consumption, l/s	≤25
Working water pressure, MPa	0,2~0,3
The inner diameter of the air pipes, mm	16-19
The inner diameter of the water pipe, mm	8
Diameter of drilling holes, mm	34-42
Drilling depth of holes, m	5
Rod shank, mm	22x108, 25x108

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