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     Hand-hold rock drill
Model
Weight
kg
Length
mm
Cyinder Dia.¡ÁStroke
mm
Working pressure
MPa
Impact energy
J
Impact ferquency
HZ
Air comsumption
I/s
YO15 15 550 58¡Á45 0.4-0.63 ¡Ý21 ¡Ý32 ¡Ü20
YO18 18 550 58¡Á45 0.4-0.63 ¡Ý22 ¡Ý32 ¡Ü20
Y19A 19 600 65¡Á54 0.4-0.3-63 ¡Ý28 ¡Ý28 ¡Ü37
YO20 20 561 63¡Á55 0.4-0.63 ¡Ý26 ¡Ý33 ¡Ü33
Y26 26 650 65¡Á70 0.4-0.63 ¡Ý30 ¡Ý23 ¡Ü47
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