H650 Series CARBIDE ENDMILLS - Short Flute Corner Radius Type - 4F . SICO Nano coating provides a superior wear and heat resistance. . Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. . Short cutting length with high rigidity is suitable for high speed cutting. . The coating can change to TOP ARCO, the prices will differ. Corner Dia. CL EFF-L OAL Shank Flutes Order No. Radius (d) (L1) (L2) (L) (D) (F) (R) EHCUH403001S 3 0.1R 3 7.5 50 6 4 EHCUH4 EHCUH403005S 3 0.5R 3 7.5 50 6 4 EHCUH404002S 4 0.2R 4 10.0 50 6 4 EHCUH404005S 4 0.5R 4 10.0 50 6 4 EHCUH405002S 5 0.2R 5 12.5 50 6 4 EHCUH405005S 5 0.5R 5 12.5 50 6 4 EHCUH406002S 6 0.2R 6 15.0 50 6 4 EHCUH406005S 6 0.5R 6 15.0 50 6 4 d EHCUH406010S 6 1.0R 6 15.0 50 6 4 R EHCUH408003S 8 0.3R 8 20.0 60 8 4 EHCUH408005S 8 0.5R 8 20.0 60 8 4 EHCUH408010S 8 1.0R 8 20.0 60 8 4 L1 EHCUH408015S 8 1.5R 8 20.0 60 8 4 EHCUH410003S 10 0.3R 10 25.0 75 10 4 L2 EHCUH410005S 10 0.5R 10 25.0 75 10 4 EHCUH410010S 10 1.0R 10 25.0 75 10 4 EHCUH410015S 10 1.5R 10 25.0 75 10 4 EHCUH410020S 10 2.0R 10 25.0 75 10 4 EHCUH412003S 12 0.3R 12 30.0 75 12 4 EHCUH412005S 12 0.5R 12 30.0 75 12 4 L EHCUH412010S 12 1.0R 12 30.0 75 12 4 EHCUH412015S 12 1.5R 12 30.0 75 12 4 EHCUH412020S 12 2.0R 12 30.0 75 12 4 WORKING MATERIAL HARDENED STEEL HARDENED STEEL HARDENED STEEL D CODE SKT, SKD SKT, SKD SKT, SKD HARDNESS HRC 35~45 HRC 45~55 HRC 55~60 Vc 143 M/min 124 M/min 103 M/min FEED FEED FEED DIAMETER R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) 3MM 15,340 1,150 13,000 830 10,920 500 4MM 11,440 1,070 9,880 780 8,190 460 5MM 9,100 990 7,800 730 6,500 420 6MM 7,670 910 6,500 660 5,460 400 8MM 5,720 830 4,940 610 4,160 400 10MM 4,550 830 3,900 610 3,315 400 12MM 3,770 830 3,250 610 2,730 400 65 d R Tolerance Ø ≦ 12 0 ~ -0.02 Milling Amount Ø > 12 0 ~ -0.03 (mm) R ± 0.015 The Feed & RPM may be changed depending on the M/C Conditions, Lubricating & Cooling systems. A21