H650 Series CARBIDE ENDMILLS - Short Flute Ball Nose Type - 2F . 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. . Due to short cutting length provides an excellent face milling surface roughness of the work pieces. . Short cutting length provides hi resistance for hi speed cutting. . The coating can change to TOP ARCO, the prices will differ. Radius Dia. CL EFF-L OAL Shank Flutes Order No. (R) (d) (L1) (L2) (L) (D) (F) EHBUH202000S 1.0R 2 2 4 50 6 2 EHBUH2 EHBUH203000S 1.5R 3 3 6 50 6 2 EHBUH204000S 2.0R 4 4 8 50 6 2 EHBUH205000S 2.5R 5 5 10 50 6 2 EHBUH206000S 3.0R 6 6 12 50 6 2 EHBUH208000S 4.0R 8 8 16 60 8 2 EHBUH210000S 5.0R 10 10 20 75 10 2 EHBUH212000S 6.0R 12 12 24 75 12 2 R EHBUH216000S 8.0R 16 16 32 100 16 2 L1 L2 L 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 260 M/min 195 M/min 131 M/min FEED FEED FEED DIAMETER R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) 1.0R 41,600 1,920 31,200 1,440 20,800 960 2.0R 20,800 1,920 15,600 1,440 10,335 955 3.0R 13,650 1,890 10,335 1,430 6,890 955 4.0R 10,335 1,910 7,735 1,430 5,200 960 5.0R 8,255 1,905 6,240 1,440 4,160 960 6.0R 6,890 1,910 5,200 1,440 3,445 955 8.0R 5,200 1,920 3,900 1,440 2,600 960 10.0R 4,160 1,920 3,120 1,440 2,080 960 65 d R Tolerance Ø ≦ 12 ± 0.01 Milling Amount Ø > 12 ± 0.015 (mm) The Feed & RPM may be changed depending on the M/C Conditions, Lubricating & Cooling systems. A13