H650 Series CARBIDE ENDMILLS - Long Neck Ball Nose Type - 2F . TOP ARCO coating provides a superior wear and heat resistance. . Suitable for HRC 50 and over HRC 50 Hardened Steel, also maximum up to HRC 65. . Suitable for deep cutting due to the long neck design. . Polish cutting edge provides stronger tip. . The coating can change to SICO, the prices will differ. Radius Dia. CL EFF-L OAL Shank Flutes Order No. (R) (d) (L1) (L2) (L) (D) (F) EHBBC2 EHBRC202006A 1.00R 2.0 2.0 6 50 6 2 EHBRC2 EHBRC202008A 1.00R 2.0 2.0 8 50 6 2 EHBRC202010A 1.00R 2.0 2.0 10 50 6 2 EHBRC202016A 1.00R 2.0 2.0 16 50 6 2 EHBBC202508A 1.25R 2.5 2.5 8 50 4 2 EHBBC202510A 1.25R 2.5 2.5 10 50 4 2 EHBBC202516A 1.25R 2.5 2.5 16 50 4 2 EHBBC202520A 1.25R 2.5 2.5 20 60 4 2 d R EHBBC202525A 1.25R 2.5 2.5 25 60 4 2 EHBBC202530A 1.25R 2.5 2.5 30 60 4 2 EHBRC202506A 1.25R 2.5 2.5 6 50 6 2 L1 EHBRC202510A 1.25R 2.5 2.5 10 50 6 2 EHBRC203010A 1.25R 3.0 3.0 10 50 6 2 EHBRC203006A 1.50R 3.0 3.0 6 50 6 2 L2 EHBRC203008A 1.50R 3.0 3.0 8 50 6 2 EHBRC203010A 1.50R 3.0 3.0 10 50 6 2 EHBRC203012A 1.50R 3.0 3.0 12 50 6 2 EHBRC203016A 1.50R 3.0 3.0 16 60 6 2 EHBRC203020A 1.50R 3.0 3.0 20 60 6 2 EHBRC203025A 1.50R 3.0 3.0 25 60 6 2 L EHBRC203030A 1.50R 3.0 3.0 30 60 6 2 15° EHBRC203035A 1.50R 3.0 3.0 35 75 6 2 EHBRC204008A 2.00R 4.0 4.0 8 50 6 2 EHBRC204010A 2.00R 4.0 4.0 10 50 6 2 EHBRC204012A 2.00R 4.0 4.0 12 50 6 2 EHBRC204016A 2.00R 4.0 4.0 16 60 6 2 EHBRC204020A 2.00R 4.0 4.0 20 60 6 2 EHBRC204025A 2.00R 4.0 4.0 25 60 6 2 EHBRC204030A 2.00R 4.0 4.0 30 60 6 2 EHBRC204035A 2.00R 4.0 4.0 35 75 6 2 EHBRC205015A 2.50R 5.0 5.0 15 60 6 2 EHBRC205020A 2.50R 5.0 5.0 20 60 6 2 D EHBRC205025A 2.50R 5.0 5.0 25 60 6 2 EHBRC205030A 2.50R 5.0 5.0 30 75 6 2 EHBRC206015A 3.00R 6.0 10.0 15 50 6 2 EHBRC208025A 4.00R 8.0 12.0 25 60 8 2 EHBRC210030A 5.00R 10.0 16.0 30 75 10 2 EHBRC212030A 6.00R 12.0 18.0 30 75 12 2 WORKING MATERIAL HARDENED STEEL HARDENED STEEL HARDENED STEEL CODE NAK, STAVAX SKD HAP10 HARDNESS HRC < 55 HRC 55 ~ 62 HRC 62 ~ 66 FEED FEED FEED DIAMETER R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) 0.20R 50,000 480 37,500 400 35,000 220 0.30R 40,000 1,300 30,000 1,400 26,500 950 65 0.40R 35,000 1,500 27,000 1,500 23,500 950 0.50R 30,000 1,600 24,000 1,800 21,000 1,600 1.00R 28,000 2,700 14,000 2,000 12,250 1,800 d R Tolerance 1.50R 21,000 2,800 10,500 2,000 9,200 1,700 Ø ± 0.02 Milling Amount Ad = 0.05D Ad (mm) Pf = 0.1D Pf Please refer to 3xD table, reduce R.P.M. & Feed while effi cient length is increasing. A18