Core Drill Machine 0.8-11.8in Dia 3500W Diamond Core Drill Rig with Stand Powerful 3500W Motor Dual Cutting Modes Large-Diameter Drill Bit Easy to Store and Transport Wide Application Sealing System Drilling Speed: 570r/min,Item Modol Number: (8260H)Z1Z-9260,Arbor Size:UNC1 1/4-7,Drilling Diameter: Φ0.8-11.8 in / Φ20-300 mm,Net Weight: 62.4 lbs / 28.3 kg,Max Load Power: 3500W,Product Size: 13.4 x 8.3 x 36.4 in / 340 x 210 x 925 mm