RotaryDrill手电钻B101SRE Powerinput 额定功率 watt 450 Noloadspeed 空载转速 rpm 0-2700 Drillingcapacityinalu 钻孔直径(铝) mm 12 steel (钢) mm 10 wood (木材) mm 25 Chuckjawsopen 钻头直径 mm 1-10 Gearneckdiameter 装夹头颈部直径 mm 43 Tappingcapacity 螺纹切割 M6 Woodascrews 木螺钉 mm 5 Weight 重量 kg 1.3