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The penumatic rock drill is a kind of  small type of rock drill. it use  air compression power. It is widely used in drilling on the hard rock and rock with medium hardness.
model:Y28
weight:25KG
length:661mm
air hose dia.:25mm
water hose dia.:13mm
shank size:hex. 22* 108mm
working pressure:0.4/ 0.5/ 0.63Mpa
drilling speed:min. 280/ min. 370/ min. 450mm per minute
impact frequency:min. 28( 0.4Mpa)/ min. 32( 0.5Mpa)/ min. 36Hz( 0.63Mpa)
impact energy: min. 44( 0.4Mpa)/ min. 63( 0.5Mpa)/ min. 70J( 0.63Mpa)
air consumption:max. 52( 0.4Mpa)/ max. 62( 0.5Mpa)/ max. 85L/ S( 0.63Mpa)
cylinder:80* 60mm
short air-leg:1400mm
pull stroke:965mm
cylinder:65mm
weight:14.4KG
long air-leg:1800mm
pull stroke:1365mm
cylinder:65mm
weight:16.9KG
pack size:280* 230* 1850mm