Contoured Shaft Part Description: Material : SAE 4140 Hardness : 58-60 Rockwell C Application : finish OD Contours Stock Removal : .006" per side (total) Tolerance : ± .0002"--all surfaces Surface Finish : 12 R A --all surfaces Machine : Hardinge ConQUEST T51SP Cycle Time : 4 minutes 40 seconds Tooling : Turn Contours : Kennametal: VPGN-330.5--KD-050 This part provided courtesy of: Elmira NY 14902  Hardinge Inc., founded more than 100 years ago, is an international leader in providing the latest industrial technology to companies requiring material-cutting solutions. The Company designs and manufactures computer-numerically controlled metal-cutting lathes, machining centers, grinding machines and other industrial products. Hardinge Inc., Elmira N