Toolholders for Grooving and Cut-off KGD (Integral Type for Automatic Lathe) Edge Width: 2.0~4.0mm F B Insert Setting Angle W L2 Insert Setting Angle H3 H3 1° H1 h H4 1° H1 KGDR1616 A φDmax H2 • Right-hand shown L1 Toolholder Dimensions Std. Cutting Dimension (mm) Angle Edge Width Spare Parts Dia. W(mm) Clamp Screw Wrench Description R L φDmax H1=h H2 H3 H4 B L1 L2 F A θ MIN. MAX. G KGD& 1010JX-2 20 10 8 10 120 18 9.15 1212F-2 24 12 2 4.5 12 85 19.5 11.15 1.7 1° SB-40120TR LTW-15S 1212JX-2 10 120 2.0 3.0 1616JX-2 32 16 16 24.5 15.15 Grooving 2012K-2D34 34 20 - 9.5 20 12 125 32.5 11.2 1.6 0° HH5X16 LW-4 2020K-2D34 20 19.2 KGD& 1010JX-2.4 20 10 8 10 120 18 9 1212F-2.4 24 12 2 4.5 12 85 19.5 11 1° SB-40120TR LTW-15S 1212JX-2.4 10 120 2.0 2.4 3.0 1616JX-2.4 32 16 16 24.5 15 2012K-2.4D34 34 20 - 9.5 20 12 125 32.5 11 0° HH5X16 LW-4 2020K-2.4D34 20 19 KGD& 1212JX-3 24 12 2 4.5 12 19.5 10.8 3.0 SB-40120TR LTW-15S 1616JX-3 32 16 10 16 120 24.5 14.8 1616JX-3D38 38 29 1913K-3D38 19 6 13 13 125 11.8 2.4 1° 3.0 2012JX-3D42 42 - 12 31 10.8 4.0 SE-50125TR LTW-20 2012JX-3D51 51 20 7.5 14 120 36 2020JX-3D42 42 6 20 31 18.8 2020JX-3D51 51 7.5 36 Note) 1. 4mm width Insert can be installed in KGD&1212JX-3, but is not recommended due to the toolholder's rigidity. Applicable Inserts G19,G20 2. Recommended tightening torque of clamp screw : 2.0N·m(SB-40120TR), 2.5N·m(SE-50125TR), 6.5N·m(HH5X16) 3. When machining the material greater than φ36mm with KGD&…-3D38, KGD&…-3D42 or KGD&…-3D51 toolholders, please use 1-edge inserts. Toolholder Identification System Cutting Dia. φDmax 38mm D38 (Integral Type for Automatic Lathe) KGD R 1616 JX - 3 T 06 (Integral Type) Toolholder Hand Shank Size Toolholder Length Applicable Inserts Max. depth of cut R: Right-hand 16×16mm 120mm GDM/GDMS 06 : 6mm L : Left-hand 3~4mm KGD R 2020 X - 3 T 10 S (Separate Type / Unit Description) KGDS Toolholder Hand Shank Size Toolholder Type Applicable Inserts Max. depth of cut R: Right-hand 20×20mm Unit GDM/GDMS 10 : 10mm L : Left-hand Description 3~4mm : Std. Item G21