
HD1212/3 FIN CNC Boiler Drum Horizontal CNC Hydraulic Three-Spindle High-Speed Drilling Machine 780mm-1200mm. Wide Processing Range: Handles drum diameters from 780mm to 1200mm and lengths up to 12m. Efficient 3-Spindle Design: Three independent hydraulic spindles enable simultaneous high-speed drilling. Adaptive Hydraulic Clamping: Auto-centering chucks and adaptive supports ensure rigidity for large drums. Professional Installation: Engineers provided for on-site installation, commissioning, and training. Reliable Brand Quality: 70%+ market share in China with machines lasting over 17 years. Premium Components: Uses Siemens CNC, HIWIN rails, and ATLANTA reducers for durability. Versatile Functionality: Drills holes up to 65mm and creates welding grooves for boiler headers.