TurningMillingDrillingTechnicalInformationIndex Parting & grooving System code – tool holders A External tool holders Q F G D 2525 R 22 (S) – (130) (H) 1 2 3 4 5 6 7 8 9 10 Application Insert seat size [mm] Code Description Holder/cutting width E External machining F Axial machining Code Description B Holder forparting & grooving B 2,0E2,5 F 3,0 G 4,0 H 5,0 K 6,0 L 8,0 1 2 3 No. of cutting edges Type C CodeS DescriptionSingle Cross section Code Descriptionof holderRRight D Double [mm] x [mm] L Left N Right and left 4 5 6 Extra Code Description Max. cutting depth Min. diameter of work piece [mm] for first axial grooving [mm] Strengthened holder S for deep cuts D 7 8 9 Cutting head Code Description H 0° L 90° 10 E A 374