Protable boring machine is for boring engine cylinders, special for motor cycles, middle and small-tractors. This machine is small in size, light in weight, it is mainly used for reboring engine cylinders of motor cycles, automobiles and middle & small-tractors.ModelT8014AT8016ABoring diameterΦ 65- Φ 140 mmΦ 80- Φ 165 mmMax. boring depth300 mm400 mmSpindle speed250;380 r/min200;300 r/minSpindle ...