Grooving H HFCUTDIA WF CW HBH BH External grooving GDM/GDMS/GDGS type KGD ((Integral type for automatic lathe - external grooving) LH GAMP KGDR/L1616… GAMP KGDR/L2525… LF Right-hand shown Toolholder dimensions Spare parts Availabi-lity Dimension (mm) Clamp bolt Clamp screw Wrench (Torx) Wrench (hex.) G Description GAMP(°) R L CUTDIA CWmin. CWmax.H B LH HF HBH LF WF KGD& 1010JX-2 N N 20 10 10 18 10 120 9.2 1212F-2 N N 2 85 24 12 12 19.5 12 11.2 1 - SB-40120TR LTW-15S - 1212JX-2 N N 120 1616JX-2 N N 32 2 3 16 16 24.5 16 15.2 2012K-2D34 N N 12 11.2 20 20 2020K-2D34 N N 34 20 32.5 125 19.2 0 HH5X16 - - LW-4 2525K-2D34 N N 25 25 25 24.2 KGD& 1010JX-2.4 N N 20 10 10 18 10 120 9 1212F-2.4 N N 2 85 24 12 12 19.5 12 11 1 - SB-40120TR LTW-15S - 1212JX-2.4 N N 120 1616JX-2.4 N N 32 2.4 3 16 16 24.5 16 15 2012K-2.4D34 N N 12 11 20 20 2020K-2.4D34 N N 34 20 32.5 125 19 0 HH5X16 - - LW-4 2525K-2.4D34 N N 25 25 25 24 KGD& 1212JX-3 N N 24 3 3 12 12 19.5 12 2 120 10.8 1 - SB-40120TR LTW-15S - KGD& 1616JX-3 N N 32 24.5 SB-40120TR LTW-15S 16 16 16 120 14.8 1616JX-3D38 N N 38 29 1913K-3D38 N N 19 13 19 125 11.8 2012JX-3D42 N N 42 31 1 - - 3 4 12 10.8 SE-50125TR LTW-20 2012JX-3D51 N N 51 36 20 20 120 2020JX-3D42 N N 42 31 20 18.8 2020JX-3D51 N N 36 51 2525K-3D51 N N 25 25 41.5 25 125 23.8 0 HH5X16 - - LW-4 4mm width Insert cannot be installed in KGDR/L1212JX-3 Recommended tightening torque of clamp screw : 2.0N・m (SB-40120TR), 2.5N・m (SE-50125TR), 6.5N・m (HH5X16) When machining the material greater than ø36mm with KGDR/L...-3D38, KGDR/L...-3D42 or KGDR/L...-3D51 toolholders, please use 1-edge inserts. Maximum cuttinng diameter for 2-edge inserts is ø36mm. Applicable insertsreference page G33-G34 N : Standard item R : Right hand only L : Left hand only U : Check availability G36