The Alfra Rotabest Mini 40/2 is a compact, heavy-duty portable magnetic core drilling machine engineered by Alfra for drilling metal surfaces. It features a native 3/4-inch (19 mm) Weldon arbor held directly in the motor spindle, maximizing concentricity and power transmission.Technical SpecificationsPower Input: 1200 WattsGears / Speed: 2-speed gearbox operating at 250 RPM and 450 RPM under loadCore Cutter Capacity: Ø 12.0 mm to 40.0 mm max diameterTwist Drill Capacity: Ø 1.0 mm to 13.0 mm max diameterMax Cutting Depth: 50 mm (2 inches)Stroke Length: 141 mm total travelMagnetic Adhesion Force: 12,000 N (Newton) holding forceMagnetic Foot Dimensions: 95 mm x 200 mm