CNC Automatic Centering Boring Machine Model: FT7 is high productivity machine for small to large capacity of cylinder boring work. Designed for all automotive blocks up to big block V10's and big diesel blocks. It was equipped four spindles, boring capacity is 39~180 mm, and can also handle Max. jobs up to 200 mm, if you have such a requirement, we can do special for you. Its complete work head can be moved freely above the floating upper table, quickly move to top of any one cylinder-hole as you want. Four points automatic centering system, make your work fast and precision, repeat centering position accuracy is 0.02 mm. The DRO.of Z axis controls the exact depth of boring work.