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. Milling Dia. CL OAL Shank Flutes Order No. (d) (L1) (L) (D) (F) EHSLF Helix angle : 45° * EHSLF404007S 4 10 75 6 4 * EHSLF406007S 6 15 75 6 4 Solid Carbide Endmills 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