Bestlink Factory Supply DTH Hammer Bits of Electric Button Bits GrinderWhatsapp:0086-13600966313Model:EGM3.0Working Capacity:Light-Medium dutyMax. Spindle Speed:24000rpmElectric power data:single phase 220V-240V 50 or 60 Hz 16Amps .Working air pressure:5-7 bar (100 psi)Air Consumption:<0.03m3/min (<