Solid Carbide Endmills G550 - Taper Ball Nose Type - 2F 鎢鋼球型銑刀 - 斜度型 - 2 刃 . UNICO Coating provides superior wear resistance and reduces the coefficient of friction. Solid Carbide Endmills . 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. Radius α° CL NL OAL Shank Flutes Order No. (R) (L1) (d2) (L) (D) (F) EPBFT2 EPBST2 EPBFT202010U 1.00R 1° 8 2.24 50 4 2 EPBFT202030U 1.00R 3° 8 2.74 50 4 2 EPBFT202050U 1.00R 5° 8 3.23 50 4 2 EPBFT202510U 1.25R 1° 10 2.81 50 4 2 EPBFT202530U 1.25R 3° 10 3.42 50 4 2 EPBST202550U 1.25R 5° 10 4.04 50 6 2 R EPBFT203010U 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 Cutting conditions ( 建議切削參數表 ) : Table 047 d R Tolerance Ø ± 0.02 A097