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G20A  Pneumatic hammer

applying： 
Used for coal broken ore destruction formation or solid concrete foundation  Pneumatic hammer         

technical data：
Overall length：540mm
Weight：20kg
Impact frequency：≥16Hz
Impact energy：≥60J
Air consumption：≤28L/S
Hose size：Φ19mm
Air pressure：0.5-0.63Mpa
Specification of drill shank：Φ30×87
It is used our pressure：0.63Mpa