H650 Series CARBIDE ENDMILLS - High Helix & Short Flute Square Type - 4F / 6F / 8F . 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. . Greater shearing action results in increased speeds and feeds and faster stock removal. . Prevents clogging of the flutes. . The coating can change to TOP ARCO, the prices will differ. EHSPS4 Dia. CL EFF-L OAL Shank Flutes Order No. (d) (L1) (L2) (L) (D) (F) EHSUS4 EHSPS401000S 1 1.5 2.5 50 4 4 EHSUS6 EHSPS402000S 2 3.0 5.0 50 4 4 EHSUS8 EHSUS403000S 3 4.5 7.5 50 6 4 EHSUS404000S 4 6.0 10.0 50 6 4 EHSUS405000S 5 7.5 12.5 50 6 4 EHSUS606000S 6 9.0 15.0 50 6 6 EHSUS608000S 8 12.0 20.0 60 8 6 EHSUS610000S 10 15.0 25.0 75 10 6 d EHSUS612000S 12 18.0 30.0 75 12 6 EHSUS816000S 16 24.0 40.0 100 16 8 EHSUS820000S 20 30.0 50.0 100 20 8 L1 L2 L WORKING MATERIAL HARDENED STEEL HARDENED STEEL HARDENED STEEL D CODE SKT, SKD SKT, SKD SKT, SKD HARDNESS HRC 45~55 HRC 55~60 HRC 60~70 Vc 208 M/min 195 M/min 129 M/min FEED FEED FEED DIAMETER R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) 6MM 11,050 2,450 10,335 2,000 6,890 1,210 8MM 8,255 2,440 7,735 1,995 5,200 1,215 10MM 6,630 2,450 6,110 1,970 4,160 1,215 12MM 5,525 2,450 5,135 1,985 3,445 1,210 14MM 4,680 2,420 4,420 1,995 2,925 1,200 16MM 4,095 2,420 3,900 2,000 2,535 1,285 18MM 3,640 2,420 3,445 2,000 2,275 1,200 20MM 3,250 2,400 3,055 1,970 2,015 1,180 65 25MM 2,600 2,400 2,470 1,990 1,625 1,190 d Tolerance Ø ≦ 12 0 ~ -0.02 Milling Amount Ø > 12 0 ~ -0.03 (mm) The Feed & RPM may be changed depending on the M/C Conditions, Lubricating & Cooling systems. A06