Coring Drill Rig, Gear 4: 619 rpm, Gear 5: 571 rpm, Gear 6: 524 rpm, 23.9 x 7.6 x 8.5 in

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 - 19-11/16â€) in diameter.

• 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