90мм ядро ​​буровая установка

Specification Motor 110V/220V/240V,50-60Hz Power input 1500W No-load Speed 2100/950 RPM Max drilling Dia. 90mm Features * Two-gear rotary speed is designed, through knob to adjust the speed of gear. *Top-gear is suitable for 20-52 small diameter drill bit, bottom-gear is suitable for 52-70 diameter drill bit. *Fitted with safety clutch, which can avoid damaging the frame when the twisting force is too high. *Designed to become handheld without bracket ,witch model No. is CD-80HD. *CE certified More pictures to show this model Vertical air bladder ensure the vertical direction when stand drilling Two speeds (950 and 2100 rpm) is available, for different drill bit and material Water kit used for better wet drilling Optional CE certified PRCD supply safer electric protection Can be used as hand held core drill without the stand Horizontal air bladder ensure the Horizon direction when handheld drill Comfortable Buttstock can support the core drill when handheld drilling Switch Handel to control the core drill conveniently Assistance handle used for handheld drilling Plastic carry case Plastic carry case