Solid Carbide Endmills H680 Pro - High Precision ∙ Short with Neck ∙ Ball Nose ∙ 2F .SICO Pro coating improve heat and oxidation resistance. .Special SR geometry design with wear resistance, good chip discharge and high rigidity. .For hardened materials milling from HRC 40 to HRC 60. .High-efficiency for roughing and high feed finishing. .SICO Pro coating includes Al, Ti, Si, N elements. H680 Pro Order No. Radius Dia.(R)(d)CL EFF-L OAL Shank Flutes(L1)(L2)(L)(D)(F) EHBUF EHBUF240200PS 0.10R 0.2 0.2 0.2 50 4 2 EHBUF240400PS 0.20R 0.4 0.4 0.4 50 4 2 EHBUF240600PS 0.30R 0.6 0.6 0.6 50 4 2 P M K N S H EHBUF240800PS 0.40R 0.8 0.8 0.8 50 4 2 ● ○ ● ○ ● EHBUF241000PS 0.50R 1.0 1.0 1.0 50 4 2 EHBUF241500PS 0.75R 1.5 1.5 1.5 50 4 2 R EHBUF242000PS 1.00R 2.0 2.0 2.0 50 4 2 EHBUF202000PS 1.00R 2.0 2.0 2.0 50 6 2 L1 EHBUF243000PS 1.50R 3.0 3.0 3.0 50 4 2 L2 EHBUF203000PS 1.50R 3.0 3.0 3.0 50 6 2 EHBUF244000PS 2.00R 4.0 4.0 4.0 50 4 2 EHBUF204000PS 2.00R 4.0 4.0 4.0 50 6 2 * EHBUF241001PS 0.50R 1.0 1.0 2 50 4 2 L * EHBUF241501PS 0.75R 1.5 1.5 3 50 4 2 * EHBUF242001PS 1.00R 2.0 2.0 4 50 4 2 * EHBUF243001PS 1.50R 3.0 3.0 6 50 4 2 * EHBUF244001PS 2.00R 4.0 4.0 8 50 4 2 * EHBUF206001PS 3.00R 6.0 6.0 12 50 6 2 * EHBUF208001PS 4.00R 8.0 8.0 16 60 8 2 * EHBUF210001PS 5.00R 10.0 10.0 20 75 10 2 * EHBUF212001PS 6.00R 12.0 12.0 24 75 12 2 D (h5) Cutting conditions : Table 007 R Tolerance R≤3 ±0.005 R>3 ±0.007 A021