Solid Carbide Endmills V520 - Variable Spacing ∙ Ball Nose ∙ Inch ∙ 4F .Unequal flute spacing for anti-vibration. .High removal rate for steel and alloy steel machining. .Low cutting force and burr prevention. .SICO coating includes Al, Ti, Si, N elements. Order No. Dia. CL OAL Shank Radius Flutes(d)(L1)(L)(D)(R)(F) EMB_V INCH SIZE EMB4V40120500S 1/8 1/2 2 1/8 1/16 4 EMB3V40180600S 3/16 5/8 2 1/4 3/16 3/32 4 P M K N S H EMB3V40250700S 1/4 3/4 2 1/2 1/4 1/8 4 ● ● ● ● ● EMB2V40310700S 5/16 3/4 2 1/2 5/16 5/32 4 EMB2V40370800S 3/8 7/8 2 1/2 3/8 3/16 4 R EMB2V40430800S 7/16 7/8 2 1/2 7/16 7/32 4 EMB2V40501000S 1/2 1 3 1/2 1/4 4 EMB2V40621200S 5/8 1 1/4 3 1/2 5/8 5/16 4 L1 L D (h6) d Tolerance d .000 ~ -.002" Cutting conditions : Table 064 R Tolerance R .000 ~ -.001" A161