Grooving Introduction GBA type Min. diameter in face grooving * For the minimum external Indicates the minimum external diameter which can be applied diameter suitable for the initial to the initial face grooving (you face grooving. can also use 1-edge insert),ref. to the min. value of "FaceWidth Hand of unit 25 25 mm grooving dia. øD" in the di- 2 2 mm R Right-hand ... ... mension tables of toolholders 3 3 mm Series L Left-hand 235 235 mm and blades. ... ... KGDF R 2020 X 25 3 A S Shank size Toolholder length Grooving depth Symbol of assembly toolholder / blade symbol 2020 20 x 20 mm202520 x 25 mm X SpecialK125 mmM150 mm A: 6-13 mmB: 13-15 mm2-edge insert1-edge insert canalso be used.CApplicable to toolholder with suffix "C"SIndicates the unit description C: 20-25 mmD: 32 mm1-edge insert Z Integral type G Face grooving blade identification system Hand of blade Width Blade symbol R : Right-hand 2: 2 mm 5: 5 mm C: Applicable to toolholder L : Left-hand 3: 3 mm 6: 6 mm4: 4 mm with suffix "-C" KGDF R 25 3 A C Description Lot No. External dia. of the groove (MIN.): Grooving depthDAXN Example of printing of blade description Indicates the minimum external A: 6/13mm 2-edge insert diameter suitable for the initial face B: 13/15mm (1-edge insert can also be used.) grooving. KGD-JCT toolholder identification system KGD R 1220 H 2 JCT Toolholder hand Shank size Toolholder Applicable Others R : Right-hand length inserts12 × 20 mmL : Left-hand100 mmGDM/GDMSCoolant-through holders 2~3 mm EZ bars identification system EZ G R 030 030 050 S Symbol of EZ bars Applications Insert hand Min. bore diameter Shank diameter Edge width Type G Internalgrooving R Right-hand 030 3 mm0404 mm 030 3 mm0404 mm 050 0.5 mm1001.0 mm S Short typeL2 dimension FG Face grooving ... ... ... ... 150 1.5 mm ... ... G3