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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

Technical Data

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
  1. according to EN 60745

Documents

Features & Applications

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

For approval or certificate information, please see individual items.

Hilti Tool Service

Hilti Tool Service

  • Servicing is free of charge for up to 2 years, including wear and tear, pick-up and delivery
  • After the no-cost period, repair costs are capped
  • Product warranty against parts and manufacturing irregularities for as long as we service the tool
  • Product warranty against parts and manufacturing irregularities for 20 years
  • 3-month no-cost period after each paid repair
More information about Tool Services

LifeTime Services

  • No repair costs for 2 years from date of purchase, including parts subject to wear and tear, shipping and labour
  • After the no-cost period, repair costs are capped for as long as we service the tool
  • 3-month no-repair-cost period again after every paid repair
  • Materials and workmanship warranty over the entire life of the tool
  • Pick-up and delivery service
More information about LifeTime Services

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