High Performance Solid Carbide End Milling TOOL SELECTOR HIGH-PERFORMANCE ROUGHING/FINISHING e HIGH-PERFORMANCE FINISHING HIGH PERFORMANCE SOLID CARBIDE END MILLING HARVI II HARVI III Series UCDE UDDE HA3R6RA/SE..S-X HA3R6RA/SE..N HA3R6BN..N HA3R6TB..L-X Tool type Rougher       Finisher       Chamfering Main operation Workpiece material Primary P M K S P M S M S M S M S M S Secondary H H P H P H P H P H Corner style Corner radius [Rİ] 0,25–0,75mm 0,20–6mm 0,50–0,75mm 0,50–6mm — — Corner chamfer width — — — — — — [BCH] Cutter diameter [D1] 4–25mm 6–25mm 10–25mm 10–25mm 10–20mm 4–10mm Length of cut 1,8–2,7xD1 1,8–2,4xD 1,8–2,2xD 1,8–2,2xD 1xD1 4,7–7xD Maximum cutting depth 11–45mm 13–45mm 22–45mm 22–45mm 10–20mm 26–39mm [Ap1 max] Flute helix angle 38° 38° 38° 38° 38° 38° Number of flutes [ZU] 5 5 6 6 6 6 Center cutting     Additional operations  Primary  Secondary kennametal.com