Hilti DD 350-CA Core Drill

Heavy-duty diamond coring machine with high-frequency motor and optional auto-feed unit for rig-based coring from 52-500 mm (2-1/16 - 19-11/16”) in diameter

• Diameter range: 52 - 500 mm
• Base material: Concrete, Reinforced concrete
• Operation mode: Rig-based drilling system
• Diameter range
  52 - 500 mm
• Base material
  Concrete, Reinforced concrete
• Operation mode
  Rig-based drilling system
• Number of gears
  10
• No load RPM
  gear 4: 619 rpm; gear 5: 571 rpm; gear 6: 524 rpm; gear 7: 405 rpm; gear 8: 357 rpm; gear 9: 286 rpm
• Weight according to EPTA-Procedure 01/2003 without battery
  14.4 kg
• Weight of complete system
  35 kg
• Dimensions (LxWxH)
  608 x 192 x 216 mm
• A-weighted emission sound pressure level
  95 dB (A) 1
• Tri. vibr. value for drilling into concrete (wet) with diamond core bit A (ah,DD)
  2.5 m/s²

Features

• Powerful high-frequency motor with electronic speed control for optimum power delivery over the entire diameter range
• Compatible with the DD AF-CA automatic feed unit that makes drilling a highly efficient and fully automated process
• Iron Boost: for a quick performance boost with increased torque when drilling through rebar
• Thanks to IP 55 water spray protection, drilling can be carried out under adverse conditions
• Operation within the optimum power band, for peak performance and longer core bit life, is easy with the aid of the LED power indicators

Applications

• Drilling through-holes and penetrations
• Blind holes for setting anchors or post-installed rebar
• Corner holes for sawing
• Manhole openings
• Stitch coring for installing cable trays