Depth of cutDepth of cut ap (mm)ap (mm) Feed: f (mm/rev)Feed: f (mm/rev)Feed: f (mm/rev) - Chipbreaker Guide 1 corner insert Face grooving GF 1st choice for face grooving 0.30 Low cutting force and good chip 0.25 control for face grooving 0.20 0.15 CW = 3 - 5 mm 0.10 0.05 Face grooving 3 4 5 F162 page Groove width: CW (mm) External GE 1st choice for external grooving 0.30 and parting 0.25 Internal Excellent chip control for grooving 0.20 CW = 2 - 5 mm 0.15 0.10 External groovingInternal grooving Face 0.05 Face grooving External grooving 2 3 4 5 F161 page Groove width: CW (mm) Parting Others GN 1st choice for internal grooving 0.30 Low cutting force and good chip 0.25 control 0.20 Good chip control 0.15 CW = 3 - 5 mm 0.10 0.05 Face grooving 3 4 5 F163 page Groove width: CW (mm) External grooving and turning GT 1st choice for turning Low cutting force and good GT502.0 chip control for traversing GT40 CW = 3 - 5 mm GT30 1.0 0.05 0.10 0.15 0.20 0.25 0.30 F161 page Feed: f (mm/rev) For profiling GR Full radius type Low cutting force and good 2.0 GR50 chip control for profiling GR40 CW = 3 - 5 mm GR30 1.0 0.05 0.10 0.15 0.20 0.25 0.30 F162 page Feed: f (mm/rev) F164 www.tungaloy.com