Grooving Face grooving FMM/FMN type Availabi-lity Dimension (mm) Spare partsClamp boltWrench (hex.) Description R L CDX H B LH CW HF HBH LF WF WF2 DAXN DAXX(min.)(max.) KFMS& 2020K2535-4 N 12 7.1 25 35 392020K3550-4N20 - 35 50 2020K5070-4 N 50 70 2020K70100-4 N 20 20 20 125 20.7 70 100 HH5X20 2020K100150-4 N 25 44 - 100 150 2020K150220-4 N 5 150 220 2020K220800-4 N 220 ∞ 42525M2535-4NN12 7.1 25 35 LW-4 392525M3550-4NN20 35 50 2525M5070-4 N N 50 70 2525M70100-4 N N 25 25 25 - 150 25.7 70 100 HH5X25 2525M100150-4 N N 25 44 - 100 150 G 2525M150220-4 N N2525M220800-4NN 150 220220∞ KFMS& 2020K2535-5 N 25 35 20 392020K3550-5N - 35 50 2020K5075-5 N 50 75 2020K75115-5 N 20 20 20 125 20.7(21.2) 75 115 HH5X20 2020K115180-5 N 25 44 115 180 2020K180235-5 N 5 180 235 2020K235800-5 N 52525M2535-5NN(6) 235 ∞-2535 LW-4 20 392525M3550-5NN 35 50 2525M5075-5 N N 25 44 50 75 2525M75115-5 N N 25 25 25 - 150 25.7(26.2) 75 115 HH5X25 2525M115180-5 N N 115 180 32 512525M180235-5NN 180 235 2525M235800-5 N N 235 ∞ CDX shows available grooving depth. External dia. of the groove : The diameter range of the initial groove. For KFMSR/L...-5 toolholder can hold a 6mm width insert. ( ) value shows the dimension of a 6mm width insert. Applicable insertsreference page G107 Limit of turning toward center  ød DMIN2 25 26 2827and overe.g.) KFMSR 2525M2530-3 with ø25 as first cut towards the center, it will cause a rubbing with the Description ød (mm) toolholder cartridge if ød is 4.0mm. KFMS& 2020K2530-3 DMIN2 KFMS& 2525M2530-3 4 2 0 0 *( ) value shows the Dimension using FMM60-04 Insert. Interference KFMS& 2020K2535-4KFMS&2525M2535-4 6 3 0 (No Remaining Boss Dia. ød KFMS& 2020K2535-5 remaining741 KFMS& 2525M2535-5 (* 5) (* 2) (* 0) Boss) Turning towards the Center causes the toolholder to interfere with the groove wall depending on the initial cut's diameter. N : Standard item R : Right hand only L : Left hand only U : Check availability G108