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Model No: BHW 812 VV / 185mm Core Drill 1800 Watt

Technical attributes
Power input 1800 watt
Power output 1200 watt
Speed under load 1st/2nd gear 0-1000 / 0-3800 rpm
Tool fixture G 1/2"
Clamping neck Ø 53 mm
Max. drill hole Ø in concrete 85 mm
Max. drilling Ø masonry 185 mm
Weight 4.70 Kg
Standard equipment
1 handle 257.580
1 open-ended wrench SW 22 109.398
1 open-ended wrench SW 32 251.475
1 wrench case 258.523
1 drill depth stop 251.047
1 clamp fitting with ratchet clip and centering aid 259.491
1 GFCI operator protection circuit breaker in cord 257.373
1 plastic carry case 329.908


polymak Tools India Pvt Ltd.,
Core drilling machine for wet drilling

  • VV electronic control: constant speed control, soft start with continuous speed control trigger, overload protection, temperature monitoring and speed selection
  • Long additional handle: turns and latches in pre-set positions to absorb high torque in freehand operation
  • Safety slip clutch: offers protection if the core drill is jammed
  • Clamping neck: 53 mm, suitable for application in drilling stands
  • Quick-fit brass coupling: for 1/2" water hose
  • Integrated water feed through the drive shaft
  • GFCI operator protector circuit breaker: integrated in cord
  • Suitable for hammer-free drilling of concrete, flush fitting of junction boxes flue connections and cutting breakthroughs
  • Also ideal for precise drilling holes to fix heavy-duty anchors

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