Introduction  Toolholder identification system KGD / KGDS (for automatic lathe) Applicable inserts Others GDM/GDMS D38 CUTDIA 38 mm Edge width: 3~4 mm KGD 3 D38 R 1616 JX - KGDS 1.3 B Toolholder hand Shank size Toolholder length Applicable inserts Others R Right-hand GDM/GDMS B For sub spindle tooling 16 x 16 mm 120 mm L Left-hand Edge width: 1.3 mm H KGD (Integral type) KGD R 1616 H - 2 T 06 Cut-Off Toolholder hand Shank size Toolholder length Applicable inserts Max. depth of cut R Right-hand GDM/GDMS 16 × 16 mm 100mm 06: 6 mm L Left-hand 2~3 mm KGD (Separate type / Unit description) KGD R 2020 X - 2 T 17 S Toolholder hand Shank size Toolholder type Applicable inserts Max. depth of cut R Right-hand GDM/GDMS 20 x 20 mm Unit description 17: 17mm L Left-hand 2~3 mm KGD-JCT (Coolant-through holders) KGD R 1220 H - 2 JCT Toolholder hand Shank size Toolholder length Applicable inserts Others R Right-hand GDM/GDMS 12 x 20 mm 100 mm Coolant-through holders L Left-hand 2~3 mm H3