Solid Carbide EndmillsMilling Solid Carbide Endmills H680 - High Precision ∙ Long Shank ∙ Square ∙ 4F .SICO-TH Nano coating provides a superior wear and heat resistance. .Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. .Ultra grain carbide rods with better abrasion resistance. .Special geometry design, suitable for high hardened working materials. Order No. Dia.(d) CL(L1) OAL Shank Flutes(L)(D)(F) EHSLF Helix angle : 45° * EHSLF404007S 4 10 75 6 4 * EHSLF406007S 6 15 75 6 4 P M K N S H * EHSLF406010S 6 15 100 6 4 ● ○ ● ○ ● * EHSLF408007S 8 20 75 8 4 * EHSLF408010S 8 20 100 8 4 d * EHSLF410010S 10 25 100 10 4 * EHSLF412010S 12 30 100 12 4 L1 Helix angle : 50° EHSMF606000S 6 15 50 6 6 EHSMF608000S 8 20 60 8 6 EHSMF610000S 10 25 75 10 6 EHSMF612000S 12 30 75 12 6 L EHSMF816000S 16 40 100 16 8 D (h5) Cutting conditions : Table 006 d Tolerance d≤6 0 ~ -0.02 d>6 0 ~ -0.03 A018