H650 Series CARBIDE ENDMILLS - Long Neck Square Type - 2F . 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 neck design is suitable for Rib cutting. . The coating can change to SICO, the prices will differ. Dia. CL EFF-L OAL Shank Flutes Order No. (d) (L1) (L2) (L) (D) (F) EHSBC2 EHSBC202520A 2.5 3.0 20 50 4 2 EHSRC2 EHSBC202525A 2.5 3.0 25 60 4 2 EHSBC202530A 2.5 3.0 30 60 4 2 EHSBC202535A 2.5 3.0 35 60 4 2 EHSRC203006A 3.0 3.5 6 50 6 2 EHSRC203010A 3.0 3.5 10 50 6 2 EHSRC203012A 3.0 3.5 12 50 6 2 EHSRC203016A 3.0 3.5 16 50 6 2 d EHSRC203020A 3.0 3.5 20 60 6 2 EHSRC203025A 3.0 3.5 25 60 6 2 EHSRC203030A 3.0 3.5 30 60 6 2 L1 EHSRC203035A 3.0 3.5 35 75 6 2 EHSRC204008A 4.0 4.5 8 50 6 2 EHSRC204010A 4.0 4.5 10 50 6 2 L2 EHSRC204012A 4.0 4.5 12 50 6 2 EHSRC204016A 4.0 4.5 16 50 6 2 EHSRC204020A 4.0 4.5 20 60 6 2 EHSRC204025A 4.0 4.5 25 60 6 2 EHSRC204030A 4.0 4.5 30 60 6 2 EHSRC204035A 4.0 4.5 35 75 6 2 L EHSRC205016A 5.0 7.0 16 50 6 2 15° EHSRC205020A 5.0 7.0 20 60 6 2 EHSRC205025A 5.0 7.0 25 60 6 2 EHSRC205030A 5.0 7.0 30 60 6 2 EHSRC205035A 5.0 7.0 35 75 6 2 EHSRC206020A 6.0 10.0 20 60 6 2 EHSRC206030A 6.0 10.0 30 75 6 2 EHSRC208020A 8.0 15.0 20 60 8 2 EHSRC208030A 8.0 15.0 30 75 8 2 EHSRC208040A 8.0 15.0 40 100 8 2 EHSRC210025A 10.0 20.0 25 75 10 2 EHSRC210035A 10.0 20.0 35 75 10 2 D EHSRC210045A 10.0 20.0 45 100 10 2 EHSRC212030A 12.0 25.0 30 75 12 2 EHSRC212040A 12.0 25.0 40 100 12 2 EHSRC212050A 12.0 25.0 50 100 12 2 WORKING MATERIAL HARDENED STEEL HARDENED STEEL HARDENED STEEL CODE NAK, SKD SKT, SKT SKT, SKT HARDNESS HRC 35~45 HRC 45~55 HRC > 55 FEED FEED FEED DIAMETER R.P.M (mm/min) R.P.M (mm/min) R.P.M (mm/min) 0.2MM 52,000 250 40,800 160 13,000 8 0.4MM 44,600 420 35,700 280 11,600 17 0.8MM 21,100 450 17,300 300 7,000 17 1.0MM 19,500 480 15,200 370 5,700 13 30° 65 2.0MM 11,500 550 9,000 400 8,900 200 3.0MM 6,200 560 5,000 400 7,300 200 4.0MM 5,100 600 4,100 410 6,000 380 d Tolerance 5.0MM 3,300 460 2,600 330 4,600 430 6.0MM 2,400 440 1,900 310 3,800 580 Ø 0 ~ -0.02 D Milling Amount Ad Ad = 0.1D Ad = 0.5D (mm) (D < 3, Ad ≦ 0.05D) (D < 3, Ad ≦ 0.25D) Please refer to 3xD table, reduce R.P.M. & Feed while effi cient length is increasing. A09