
Solid Carbide Endmills H680 - High Precision ∙ Long Shank ∙ Corner Radius ∙ 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. Dia. Corner CL OAL Shank Flutes Order No. Radius (d) (L1) (L) (D) (F) (R) EHCLF * EHCLF40400507S 4 0.5R 8 75 6 4 * EHCLF40600507S 6 0.5R 12 75 6 4 * EHCLF40600510S 6 0.5R 12 100 6 4 P M K N S H * EHCLF40800507S 8 0.5R 16 75 8 4 ● ○ ● ○ ● * EHCLF40800510S 8 0.5R 16 100 8 4 * EHCLF41000510S 10 0.5R 20 100 10 4 d R * EHCLF41200510S 12 0.5R 24 100 12 4 L1 L D (h5) Cutting conditions : Table 006 d Tolerance d≤6 0 ~ -0.02 d>6 0 ~ -0.03 R Tolerance R<2 ±0.015 R≥2 ±0.020 A023