H650 Series CARBIDE ENDMILLS - Corner Radius Type - 4F . TOP ARCO coating provides a superior wear resistance. . Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. . Long tool life and wear resistant due to its negative angle with corner radius design. . The coating can change to SICO, the prices will differ. Corner Dia. CL OAL Shank Flutes Order No. Radius (d) (L1) (L) (D) (F) EHCFH4 (R) EHCFH404003A 4 0.3R 8 50 4 4 EHCSH4 EHCFH404005A 4 0.5R 8 50 4 4 EHCFH404010A 4 1.0R 8 50 4 4 EHCSH404003A 4 0.3R 8 50 6 4 EHCSH404005A 4 0.5R 8 50 6 4 EHCSH404010A 4 1.0R 8 50 6 4 EHCSH405005A 5 0.5R 10 50 6 4 EHCSH405010A 5 1.0R 10 50 6 4 d EHCSH406003A 6 0.3R 12 50 6 4 R EHCSH406005A 6 0.5R 12 50 6 4 EHCSH406010A 6 1.0R 12 50 6 4 EHCSH408005A 8 0.5R 16 60 8 4 EHCSH408010A 8 1.0R 16 60 8 4 L1 EHCSH408015A 8 1.5R 16 60 8 4 EHCSH410005A 10 0.5R 20 75 10 4 EHCSH410010A 10 1.0R 20 75 10 4 EHCSH410015A 10 1.5R 20 75 10 4 EHCSH410020A 10 2.0R 20 75 10 4 EHCSH412005A 12 0.5R 20 75 12 4 EHCSH412010A 12 1.0R 20 75 12 4 L EHCSH412015A 12 1.5R 20 75 12 4 EHCSH412020A 12 2.0R 20 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. A20