S654 3-Flute Solid Carbide Roughing End Mill, Long Reach Short cutting length and long reach 3-flute roughing design provides high rigidity for milling and profiling. S654 with NRA profile is designed for high performance roughing. Bright finish prevents work piece material from sticking to the cutting edge. DC DIN 6535HA h9 Workpiece material group suitability and starting values for cutting speed (m/min). Letter code feed table can be found on page 22. N1.1 N1.2 N1.3 N2.1 N2.2 N2.3 N3.1 N3.2 N3.3 N4.1 N4.2 709 O 533 O 357 O 357 N 320 N 229 N 373 N 219 N 112 N 373 P 144 P DCON MS tolerance h6; RE ±0.02 mm. Product DC RE DCON MS APMX OAL NOF LU DN [mm] [mm] [mm] [mm] [mm] [mm] [mm] S6546.0 6.00 0.10 6.00 13.00 75.0 3 40.00 5.50 S6548.0 8.00 0.10 8.00 20.00 75.0 3 40.00 7.40 S65410.0 10.00 0.10 10.00 22.00 100.0 3 60.00 9.20 S65412.0 12.00 0.12 12.00 26.00 100.0 3 60.00 11.00 S65416.0 16.00 0.16 16.00 32.00 125.0 3 75.00 15.00 S65420.0 20.00 0.20 20.00 40.00 150.0 3 100.00 19.00 40