Internal Large Dia. Shallow Grooving Toolholders [TG Insert] Screw Clamp  KITG (Will be switched to KIGBA G56) IA ID F L2 H 4° L1  Right-hand shown Left-hand Insert for Right-hand Toolholder, Right-hand Insert for Left-hand Toolholder.  Toolholder Dimensions Std. Min. Dimension (mm) Spare Parts Bore Dia. Clamp Screw Wrench Description RL φA φD H L1 L2 F KITG& 3525T-16 ●● 35 25 23 220 18 17.5 SB-4TR - FT-15 - G 4532T-22 ●● 45 32 30 250 20 22.5 - GS-50 - LW-3 · Available Grooving Depth: KITG&3525T-16=2.0mm, KITG&4532T-22=2.5mm * KITG will be switched to KIGBA as an Internal Shallow Grooving Toolholder; however, it will continue to be sold as Internal Threading Toolholder ( J23). · GBA Insert cannot be installed to this toolholder.  Applicable Inserts P Carbon steel / Alloy steel Classification of usage Grooving (TG insert will be switched to GBA G6~G8) M Stainless Steel (mm) K Cast Iron Description A T φd N Non-ferrous Metals :Continuous-Light Interruption / 1st Choice S Titanium Alloys :Continuous-Light Interruption / 2nd Choice TG32_ 9.525 3.18 4.5 ● : Continuous / 1st Choice H Hard materials (~40HRC)  : Continuous / 2nd Choice TG43_ 12.70 4.76 5.5 Hard materials (40HRC~) Dimension (mm) Cermet Ref. to Page for Applicable Toolholders Insert Description C TN60 Applicable Toolholders W B or R L Handed Insert shows Right-hand rε TG32& 075 0.75   A W ±0.03 095 0.95   C C General (Square) B 125 1.25   (Corner is Chamfered) Id 145 1.45 2.0 C0.1   KITG&…16 G57 150 1.50   T 175 1.75   TG32 type (Corner is Chamfered) 200 2.00   TG43& 150 1.50   175 1.75 3.5 0.2   200 2.00   230 2.30   A rH W ±0rH.03 250 2.50   B 265 2.65   Id 280 2.80 4.0 0.3   KITG&…22 G57 General (Square) 300 3.00   (Corner is R shape) T 330 3.30   350 3.50   400 4.00 5.0   TG43 type 430 4.30 0.4   450 4.50   · Dimension B shows available grooving depth. Recommended Cutting Conditions G102 * KITG will be switched to KIGBA. * For applicable insert, TG insert will be switched to GBA. Change Insert Grade TN60 for TN90. There are various types of GBA insert grades available dependent on the user's cutting condition requirements. * Check the corner-R(rε) of the insert when changing.  : Std. Item Inserts are  : Check Availability sold in 10 piece boxes. G57