HOME / Q & A / About Mechanism / 1- Machanical & processing Questions ● CNC-500 Capability introduction Q1: You please refer the below mention size of our component for you reference . Max. Work piece diameter – 2000 mm Min. & Max. bore size – 120 to 400 m Min. and Max. Width of Keyway.--- min -32 mm & Max-90 mm Min. and Max. Length of Keyway.--- min-100 mm & Max-400 mm We also required cutting speed , maximum width of tool bit that can be used for m/cing of keyway. : Ans: Please see attached PDF list.