Steel <35 HRC Steel >36–48 HRC PH and Ferritic Stainless Steel <35 HRC PH and Ferritic Stainless Steel >35 HRC Stainless Steel Cast Iron Non-Ferrous Graphite Iron Based Nickel Based Pure Titanium Titanium Alloys Hardened Steels H1 = <48 HRC H2 = 48–55 H3 = 56–60 HRC H4 = >60 HRC Solid End Milling Tool Reference Guide • Metric P M K N S H 123 4 5 6 123 123 12345 6 1 2 3 4 12 34 Page References Product Information Cutting Data High-Performance High-Speed Steel (HSS-E-PM) • Roughing (continued) WavCut™ (continued) ࠗ ⅷ ⅷ ⅷ Q4 Q10 High-Performance High-Speed Steel (continued) ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ Q5 Q10 ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ Q6 Q11 ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ Q7 Q11 High-Performance HSS-E/PM End Mills • Finishing (continued) ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ Q8 Q12 ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ ⅷ Q9 Q13 widia.com N15