Never used, how to understand 2.0KW handheld rock drill rock drill to buy mining machine Jiang Qingqing Octagon, you are welcome! Having a rotary cutting mechanism and the automatic feed mechanism for medium hard rock drilling and borehole electric tool chain type rock drill rock drill hand-held rock drill stand push ZYM-T series three powerful rock drill, the following applies to the hard rock drilling, the drill non-explosion-proof, with good sealing and dust resistance, for open mining operations, iron ore, bauxite, gold, tin, sulfur ore, gypsum, marble mine, shale mines, reservoirs, highways and other construction apply. Model ZYM12-T ZYM-15T powerful rock drill ZYM-16T powerful rock drill ZYM-18 powerful rock drill ZYM-20 powerful rock drill ZYM-22 powerful rock drill spindle speed: r / min 520 520 520 520 520 520 2. spindle torque: N? m 22.5 27.5 28.0 33 38 43 3. hole diameter: mm φ33 ~ 45 φ33 ~ 45 φ33 ~ 45 φ33 ~ 45 φ33 ~ 45 φ33 ~ 45 4. rated power: KW 1.2 1.5 1.6 1.8 2 2.2 5 Rated voltage: V 127/380 127/380 127/380 127/380 127/380 127/380 6. rated frequency: Hz 50 50 50 50 50 50 7. Phase: N 3 3 3 3 3 3 8. Rated current: A 9/2.8 11/3.2 3.50 13/4 4.4 5 9. motor efficiency:% 82828282828210. works S2-30min S2-30min S2-30min Octagon Mining Machinery Co., Ltd. is the Southwest's largest production and sales of pneumatic tools, rock drilling, rock drill manufacturers, product sales to Vietnam, Afghanistan, South Korea, Southeast Asia and the Middle East, the majority of customers. "Go Octagon Road, cross the world" Friends, we all directions people in the principles of honesty, willing to work with the coal industry friends and common progress, coexistence and common development. Octagon Mining Machinery Co., Ltd. mainly produces an engineering rock drill KHYD40, KHYD75, KHYD110, KHYD125 2 mine water exploration drilling KHYD40A, KHYD75A, KHYD140, KHYD155 3 drilling rig ZLJ-250, ZLJ-350, ZLJ-700, ZDY-650, ZDY-800 4 hand-held rock drill, hand push rock drill, impact drill rock drill five coal ZM12, ZM15, emulsion drilling ZRS50, oxy-acetylene drill ZQS30, ZQS40, ZQS50 6 Outburst drill, twist drill rod, round rock drill pipe, drill pipe water exploration, gas exploration drill seven alloy rock drill, reamer, coal drill bits, wings drill bits, core bits, diamond drill bits.