Portable core drilling machine electric concrete to take the core drilling machine reinforced concrete coring rig adjustable speed concrete coring rig 
 Features: 
 A. Speed ??switch trigger realize stepless speed regulation 
 2 is equipped with built-in redeployment of security clutch, if the internal nut loose, do not have to disassemble the internal nut can slow down the box on the M8 screw fastening. 
 3 is equipped with current overload protection switch, when sticking or excessive torque can automatically disconnect switch to protect the rig. 
 Double insulation structure, safe and reliable 
 Reinforced concrete drilling machine 
 Switching adjustable speed 
 Built-in electrical protection and mechanical safety clutch 
 Model HQ-120A HQ-130F HQ-150F HQ, HQ-130D-180F 
 (Drilling mixing dual-use) (drilling mixing dual-use) 
 Rated input power (W) 1200 1450 1700 1700 2200 
 Rated voltage 220,220,220,220,220 
 Rated frequency 5050505050 
 No-load speed 0-2000 0-20000-2000 0-20000-2000 
 Drilling diameter 10-120 10-13210-132 10-15010-180 
 Maximum mixing a diameter of 120 150 
 We also supply: PZ-5 shotcrete machine, spraying machine mine explosion-proof, PZ-7 shotcrete machine PZ-9 shotcrete machine, HSP-wet spraying machine, mining explosion-proof wet spraying machine, mining pneumatic concrete vibrators, plug-in electric concrete vibrator, pneumatic concrete coring rig, electric diamond coring rig