hinge drilling machine 1. boring shaft: 12 pcs 2.Max. boring dia.: 35MM 3.Max. boring depth:70MM 4. Total power: 1.1*4=4.4kw Product Name: Hinge drilling machineItem No.: AK4214Technical Parameters:1. Max. Boring Diameter: 35MM.2. Max. Boring Depth: 70MM3. Total Number of boring shafts: 12 pcs4. Rotating speed: 2840rpm5. Total power: 1.1 * 4= 4.4 KW6. Minimum distance between two center of ...