Modular Milling Tools Winmaster - Corner Radius Head ∙ 4F Work Material Carbon Steel Alloy Steel(S45C, S55C)(SK, SCM)Pre-Hardened Steel / Hardened SteelStainless Steel(SUS304, 316)Cast Iron ~ HRC 40 ~ HRC 45 ~ HRC 55 ○ ◎ ◎ ◎ ◎ ○ ◎ Order No. Dia. Radius CL(d)(R)(L1) ND(D) M Flutes(M)(F) EHCWH EHCWH410005S 10 0.5R 10 6.5 M6 4 EHCWH410010S 10 1.0R 10 6.5 M6 4 EHCWH412005S 12 0.5R 12 6.5 M6 4 P M K N S H EHCWH412010S 12 1.0R 12 6.5 M6 4 ● ○ ● ○ ● EHCWH412020S 12 2.0R 12 6.5 M6 4 EHCWH412030S 12 3.0R 12 6.5 M6 4 EHCWH416010S 16 1.0R 16 8.5 M8 4 EHCWH416020S 16 2.0R 16 8.5 M8 4 d R EHCWH416030S 16 3.0R 16 8.5 M8 4 EHCWH420010S 20 1.0R 20 10.5 M10 4 EHCWH420020S 20 2.0R 20 10.5 M10 4 L1 EHCWH420030S 20 3.0R 20 10.5 M10 4 M D d Tolerance d 0 ~ -0.04 R Tolerance R ± 0.02 A405