If the nose radius is 0.7mm and the feed is 0.1mm the peak to valley roughness, Rz is most nearly: (m=micrometers = mm/1000) 12. If the nose radius is 0.7mm and the feed is 0.1mm the peak to valley roughness, Rz is most nearly: (m=micrometers = mm/1000) a. 2m b. 3m c. 4m d. 5m e. 6m