External Grooving of Precision Parts (G14, G15, G21, G34) For Automatic Lathe Type KGD Type KGM Edge Width (mm) 2.0~4.0 Edge Width (mm) 1.5~4.0 Grooving Depth (mm) 10~21 Grooving Depth (mm) 10~16 Ref. to Page G21 Ref. to Page G34 Molded Chipbreaker Ground Chipbreaker Type KGBF-F G Edge Width (mm) 0.25~3.0 Grooving Depth (mm) 0.6~3.0 Ref. to Page G12 Type KTGF-F KTGF S-KTGF Grooving Edge Width (mm) 0.33~2.5 0.33~2.5 Grooving Depth (mm) 0.8~2.5 0.8~2.5 Ref. to Page G14 G15 Ground Chipbreaker For Aluminum Wheel External Grooving (External / Facing / Copying) (G40) Type KGMW Edge Width (mm) 6.0~8.0 Grooving Depth (mm) 25 Ref. to Page G40 1-edge PCD G5