Solid Carbide Endmills G550 - Taper ∙ Ball Nose ∙ 2F .UNICO Coating provides superior wear resistance and reduces the coefficient of friction. .Suitable for HRC 30 to HRC 55 Ordinary Steel, Alloy Steel, Cast Iron, Heat-Resistant Steel, etc. .Tape cutting length is convenient for high performance 3D milling. .Stronger geometry design gives good wear resistance. Order No. Radius α°(R) CL NL OAL Shank Flutes(L1)(d2)(L)(D)(F) EPBST * EPBST242010U 1.00R 1° 8 2.24 50 4 2 * EPBST242030U 1.00R 3° 8 2.74 50 4 2 * EPBST242050U 1.00R 5° 8 3.23 50 4 2 P M K N S H * EPBST242510U 1.25R 1° 10 2.81 50 4 2 ● ● ● ○ * EPBST242530U 1.25R 3° 10 3.42 50 4 2 EPBST202550U 1.25R 5° 10 4.04 50 6 2 R * EPBST243010U 1.50R 1° 12 3.37 50 4 2 EPBST203030U 1.50R 3° 12 4.10 50 6 2 EPBST203050U 1.50R 5° 12 4.85 50 6 2 L1 EPBST204010U 2.00R 1° 16 4.49 60 6 2 EPBST204030U 2.00R 3° 16 5.47 60 6 2 d2 EPBST204050U 2.00R 5° 16 6.46 60 8 2 EPBST206010U 3.00R 1° 24 6.73 75 8 2 EPBST206030U 3.00R 3° 24 8.20 75 10 2 L EPBST206050U 3.00R 5° 24 9.67 75 10 2 α° D (h6) Cutting conditions : Table 040 R Tolerance R≤3 ±0.015 R>3 ±0.020 A095