Solid Carbide EndmillsMilling Solid Carbide Endmills V530 - Variable Helix 30° ~ 32° ∙ 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. Order No. Dia.(d) CL(L1) OAL(L) Shank(D) Chamfer Flutes(F) ESSSVA Helix angle : 30° ~ 32° ESSSVA4060011S 6 15 50 6 0.10C 4 ESSSVA4080011S 8 20 60 8 0.15C 4 P M K N S H ESSSVA4100021S 10 25 75 10 0.20C 4 ● ● ● ● ○ ESSSVA4120021S 12 30 75 12 0.20C 4 ESSSVA4160031S 16 35 100 16 0.32C 4 d Chamfer L1 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 A144