Model Number: ZM-15 Brand Name: BAFANG Key Specifications/Special Features: ZM-12T electric coal drill with mine explosion-proof structure Product introductionWith the explosion-proof structure it can be safely used for mine where methane and coal dust explosion.Dry coal drill is a hand-held drill used in the soft coal layer and soft rock layer, with mine explosion-proof structure water injection device, can be safely used for mine where methane and coal dust explosion.This is a hand-held drill that can be used in various mines,such coal mine, marble mine, metal mine and rock layer. ModelZM-12T ZM-15T ZMS-12T ZMS-15T MainspindleSpeed:r/min 520 520 520 520 Mainspindletorque:N.m 22.5 27.5 22.5 27.5 DiameterofBore:mm 33-45 33-45 33-45 33-45 RatedPower:KW 1.2 1.5 1.2 1.5 RatedVoltage:V 127 127 127 127 RatedFrequency:HZ 50 50 50 50 Phase:N 3 3 3 3 RatedCurrent:A 9 10.5 9 10.5 ElectricEfficiency:% 81 81 81 81 MannerofWorking S2-30min S2-30min S2-30min S2-30min