Modular Milling Tools Winmaster - Square 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.(d) CL(L1) ND(D) M Flutes(M)(F) EHSWH EHSWH410000S 10 10 6.5 M6 4 EHSWH412000S 12 12 6.5 M6 4 EHSWH416000S 16 16 8.5 M8 4 P M K N S H EHSWH420000S 20 20 10.5 M10 4 ● ○ ● ○ ● d L1 M D d Tolerance d 0 ~ -0.04 A403