External Shallow Grooving Toolholders [for TG Insert] Screw Clamp KTG (Will be switched to KGBA G9) T F1 B A W L2 L1 H3 6° h H1 • Right-hand shown Right-hand Insert for Right-hand Toolholder, Left-hand Insert for Left-hand Toolholder. Toolholder Dimensions Std. Dimension (mm) Spare Parts Clamp Screw Wrench Description RL H1=h H3 B L1 L2 F1 A T KTG& 2020K-16 20 3.0 20 125 20 25 - 2.5 SB-4TR - FT-15 - G 2525M-16 25 25 150 30 2020K22-15 20 3.0 20 125 25 25 1.0 4.0 2525M22-15 25 25 150 30 2020K22-25 20 3.0 20 125 25 25 2.0 4.5 - GS-50 - LW-3 2525M22-25 25 25 150 30 2020K22-35 20 3.0 20 125 25 25 3.0 5.5 Grooving 2525M22-35 25 25 150 30 · Dimension T shows the distance from the toolholder to the cutting edge. Available groove depth: "B" dimension of insert. * GBA insert cannot be installed to this toolholder. Applicable Inserts P Carbon steel / Alloy steel Classification of usage (TG insert will be switched to GBA G6~G8) M Stainless Steel External (mm) K Cast Iron : Continuous-Light Interruption / 1st Choice Description A T φd N Non-ferrous Metals : Continuous-Light Interruption / 2nd Choice Internal S Titanium Alloys ●: Continuous / 1st Choice TG32_ 9.525 3.18 4.5 Hard materials (~40HRC) Face TG43_ 12.70 4.76 5.5 H Hard materials (40HRC~) : Continuous / 2nd Choice Dimension (mm) Cermet Ref. to Insert Description Applicable Toolholders Page for W B C or rε TN60 Applicable Handed Insert shows Right-hand R L Toolholders A W ±C0.03 TG32& 075 0.75 General (Square) C 095 0.95 (Corner is Chamfered) B 125 1.25 Id 145 1.45 2.0 C0.1 KTG&…16 G16 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 KTG&…22-15 200 2.00 W ±0.03 230 2.30 A rH rH 250 2.50 B 265 2.65 General (Square) Id 280 2.80 4.0 0.3 KTG&…22-25 G16 (Corner is R shape) 300 3.00 T 330 3.30 350 3.50 400 4.00 5.0 KTG&…22-35 TG43 type 430 4.30 0.4 450 4.50 · Dimension B shows available grooving depth. Recommended Cutting Conditions G102 * KTG will be switched to KGBA. Machining against the wall is available. * 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. 0° 2° KTG KGBA Inserts are : Check Availability G16 sold in 10 piece boxes.