HILTI - DD 250 CORE DRILL
Advanced heavy-duty diamond drilling rig for very small to large diameters of 1/2" - 18”
FEATURES
- Air-cooled, heavy-duty drive unit with four-speed gearing and convenient controls
- Optional BL quick-release connection lets you change core bits in seconds - no tools required (keyless system).
- Hole-starting function for large-sized core bits.
- Real-time information display – digital spirit level, gear selector, power control function, trip counter, running time counter and easily understood service messages.
- Designed for versatility – suitable for an extremely wide range of applications.
APPLICATIONS
- Penetrations for ducts, pipes and cables.
- Openings for ventilation.
- Stitch drilling for breaches.
- Coring holes for service entries.
- Coring holes in ceilings, walls and floors without hammering and vibration.
TECHNICAL DATA
- Diameter range: 15/32 - 17-23/32 in .
- Base material : Concret.
- Operation mode : Rig-based drilling system .
- Number of gears : 4.
- No load RPM : gear 1: 240 rpm; gear 2: 580 rpm; gear 3: 1160 rpm; gear 4: 2220 rpm .
- Weight according EPTA-Procedure 01/2003 : 33.7 lb.
- Weight of complete system : 81 lb.
- Dimensions (LxWxH) : 24. x 7.5 x 8.5 in
- A-weighted emission sound pressure level : 93 dB (A)
- Tri. vibr. value for drilling into concrete (wet) with diamond core A (ah,DD) : 2.5 m/s²
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