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
Customers also searched for diamond-drilling, heavy-duty or auto-feed.
Technical Data
- According to the applicable product standard (see the Operating Instruction for more details)
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.
Services
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
- 3-month no-cost period after each paid repair
- One click or call is all it takes – we do the rest

Fleet Management
- Monthly usage fee covering all tool, service and repair costs helping to ensure absolute cost control and back-office efficiency.
- Loan tools during repair to reduce downtime.
- Free verification of tool accuracy in accordance with manufacturer’s specifications.
- Individual labels and online visibility provide tool fleet transparency
- Theft coverage helps to reduce financial risk and unexpected expenses.
Product Videos
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