Solid Carbide Endmills V530 - Variable Helix 38° ~ 41° ∙ Square ∙ 4F . Unequal Flute Spacing and variable lead design. . High removal rate for Difficult-to-cut materials and Stainless steel. . Outstanding Anti-vibrations design. . Low cutting force and burr prevention. Milling Dia. CL OAL Shank Chamfer/ Flutes Order No. (d) (L1) (L) (D) Radius (F) ESSSVC Helix angle : 38° ~ 41° ESSSVC4040011S 4 10 50 6 0.10C 4 ESSSVC4040012S 4 10 50 6 0.10R 4 Solid Carbide Endmills P M K N S H ESSSVC4060011S 6 15 50 6 0.15C 4 ● ● ● ● ○ ESSSVC4060012S 6 15 50 6 0.15R 4 Chamfer / ESSSVC4080011S 8 20 60 8 0.15C 4 d Radius ESSSVC4080012S 8 20 60 8 0.15R 4 ESSSVC4100021S 10 25 75 10 0.20C 4 ESSSVC4100022S 10 25 75 10 0.20R 4 ESSSVC4120021S 12 30 75 12 0.20C 4 L1 ESSSVC4120022S 12 30 75 12 0.20R 4 ESSSVC4120052S 12 30 75 12 0.50R 4 L D (h6) Cutting conditions : Table 061 d Tolerance d≤6 0 ~ -0.02 6 < d ≤ 12 0 ~ -0.03 d > 12 0 ~ -0.04 A146