7655 rock jack hammer
7655 hand held air leg rock drill
1.Weight:24kg
2.Outside Dimension:628*232*207mm
3.Cylinder Dia:76mm
4.Piston Stroke:55mm
5.Air pressure:0.4-0.63Mpa
6.Water pressure:0.3Mpa
7.Air consumption:54L/S
8.Impact frequency:37Hz
9.Air Pipe Inner Dia:25mm
10.Water Pipe Inner Dia:13mm
11.Hole Drilling Dia:34-42mm
12.Max Deepth:5m
13.Shank Size: H22*108mm
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