Face Grooving Toolholders  KFMS (Will be switched to KGDF G74~G80) Dimension T: Under 16 mm Dimension T: Over 20 mm ID (Face Grooving Dia.)  Left-hand shown Dimension T: Under 16 mm Dimension T: Over 20 mm S W F B T T 20 L1 T L2 H3 L2 H1 h H1 H2 G  Right-hand shown  Toolholder Dimensions Std. Dimension (mm) Edge Width Face Grooving Dia. Spare Parts (mm) φD Clamp Bolt Wrench Grooving Description RL H1=h H2 H3 B L1 L2 F S T W MIN. MAX. KFMS& 2020K2530-3 ● 25 30 2020K3040-3 ● 39 6.1 13 30 40 2020K4050-3 ● - 40 50 External 2020K5065-3 ● 20 10 20 125 41 20.7 22 50 65 HH5X20 LW-4 2020K6585-3 ● - 65 85 Internal 2020K85110-3 ● 5 44 25 85 110 2020K110145-3 ● 3 110 145 Face 2525M2530-3 ●● 25 30 2525M3040-3 ●● 39 6.1 13 30 40 2525M4050-3 ●● 40 50 2525M5065-3 ●● 25 - 10 25 150 41 25.7 22 50 65 HH5X25 LW-4 2525M6585-3 ●● - 65 85 2525M85110-3 ●● 44 25 85 110 2525M110145-3 ●● 110 145 KFMS& 2020K2535-4 ● 39 7.1 12 25 35 2020K3550-4 ● - 20 35 50 2020K5070-4 ● 50 70 2020K70100-4 ● 20 10 20 125 20.7 - 70 100 HH5X20 LW-4 2020K100150-4 ● 5 44 25 100 150 2020K150220-4 ● 150 220 2020K220800-4 ● 4 220 ∞ 2525M2535-4 ●● 39 7.1 12 25 35 2525M3550-4 ●● 20 35 50 2525M5070-4 ●● 50 70 2525M70100-4 ●● 25 - 10 25 150 25.7 - 70 100 HH5X25 LW-4 2525M100150-4 ●● 44 25 100 150 2525M150220-4 ●● 150 220 2525M220800-4 ●● 220 ∞  : Std. Item G96