Solid Carbide Endmills G550 - Taper Neck Corner Radius Type - 2F 鎢鋼圓鼻銑刀 - 斜頸型 - 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. . Various tape angle makes it suitable for different applications. . Small corner radius applied protect chipping of cutting edges. High strength of taper neck, can cut deep grooves without breaking. Corner Dia. θ˚ CL EFF-L OAL Shank Flutes Order No. Radius (d) (L1) (L2) (L) (D) (F) (R) EPCRT2 EPCRT20100120HU 1.0 0.10R 0.5° 2.0 20 60 6 2 EPCRT201001201U 1.0 0.10R 1.0° 2.0 20 60 6 2 EPCRT20100120AU 1.0 0.10R 1.5° 2.0 20 60 6 2 EPCRT201201230HU2C 1.2 0.12R 0.5° 2.0 30 75 6 2 EPCRT2012012301U2C 1.2 0.12R 1.0° 2.0 30 75 6 2 EPCRT201201230AU2C 1.2 0.12R 1.5° 2.0 30 75 6 2 R EPCRT201501530HU2C 1.5 0.15R 0.5° 2.0 30 75 6 2 L1 EPCRT2015015301U2C 1.5 0.15R 1.0° 2.0 30 75 6 2 EPCRT201501530AU2C 1.5 0.15R 1.5° 2.0 30 75 6 2 EPCRT201801830HU2C 1.8 0.18R 0.5° 2.0 30 75 6 2 L2 EPCRT2018018301U2C 1.8 0.18R 1.0° 2.0 30 75 6 2 EPCRT201801830AU2C 1.8 0.18R 1.5° 2.0 30 75 6 2 θ° EPCRT20200225AU 2.0 0.20R 1.5° 3.0 25 75 6 2 d2 EPCRT20200239AU 2.0 0.20R 1.5° 3.0 39 75 6 2 L EPCRT20200525AU 2.0 0.50R 1.5° 3.0 25 75 6 2 EPCRT20200539AU 2.0 0.50R 1.5° 3.0 39 75 6 2 EPCRT20200550AU 2.0 0.50R 1.5° 3.0 50 100 6 2 EPCRT20200535HU4C 2.0 0.50R 0.5° 4.0 35 75 6 2 EPCRT202005351U4C 2.0 0.50R 1.0° 4.0 35 75 6 2 EPCRT20200535AU4C 2.0 0.50R 1.5° 4.0 35 75 6 2 EPCRT20250535HU5C 2.5 0.50R 0.5° 5.0 35 75 6 2 EPCRT202505351U5C 2.5 0.50R 1.0° 5.0 35 75 6 2 D EPCRT20250535AU5C 2.5 0.50R 1.5° 5.0 35 75 6 2 EPCRT20251035HU5C 2.5 1.00R 0.5° 5.0 35 75 6 2 EPCRT202510351U5C 2.5 1.00R 1.0° 5.0 35 75 6 2 EPCRT20251035AU5C 2.5 1.00R 1.5° 5.0 35 75 6 2 d Tolerance Ø 0 ~ 0.02 R ± 0.02 A115