Summary of External Grooving  KGM Grooving (External Grooving & Turning) (G30~G37) Type KGMM KGMS Edge Width (mm) 3.0~5.0 3.0~5.0 Grooving Depth (mm) 4.8 4.8 Ref. to Page G36 G36 Molded Molded Chipbreaker Ground Chipbreaker Full-R Chipbreaker G Grooving External Internal Face Type KGM KGM KGM-T KGMU Edge Width (mm) 1.5~4.0 3.0~8.0 2.0~6.0 3.0~5.0 Grooving Depth (mm) 10~16 9~25 17~30 3.5~4.5 Ref. to Page G34 G34 G35 G37 Molded Molded Chipbreaker Ground Deep Grooving / Molded Chipbreaker Chipbreaker Full-R Chipbreaker Cut-off Full-R Molded Molded Chipbreaker Ground Deep Grooving / Molded Chipbreaker Chipbreaker Full-R Chipbreaker Cut-off Full-R G4