China to build rail drilling machine, years of experience, the model is complete, timely delivery, quality and cheap to build factories in Shandong, China, specializing in the production and sales of drilling machines, customers preferred brand 152-6372-2267 use:!!. In rail radiation processing board bolt holes or electrical conduit opening of special tools. Characteristics: ★ motor drive, the operating environment for noise and air pollution emissions; suitable for factories or work environment with a power supply. ★ setup quick and easy operation. ★ positioning accuracy, high precision drilling. ★ hollow drill, high efficiency. ★ portable design, the upper and lower track quickly. The main technical parameters: ★ rated power: 0.75KW. ★ Rated voltage: ~ 380V (three-phase). ★ hole diameter specifications: φ9.8mm / φ20mm / φ22mm / φ24mm / φ31mm. ★ spindle speed: 200rpm. ★ aperture Accuracy: ± 0.5mm. ★ Total weight: 31 kg. Our company will provide you with the best quality, the highest reputation, best service, because the quality of survival, reputation and development is our company principle.