INDEXABLE DRILLS DC_2 DCNT (M8-M24) Exchangeable Head Drills with Chamfering Inserts Mainly DCN-DCX k7 DCONMS DF for Pre-Thread Holes PL SDL 6 LTA LS Designation Dnominal(1) Th(2) DCN(3) DCX(4) DC_2 SDL PL LTA DCONMS DF LS SSC(5) DCNT 068-021-12A-M8 6.80 M8 6.50 6.90 13.50 21.00 1.240 43.80 12.00 16.00 45.0 6.5 DCNT 085-026-12A-M10 8.50 M10 8.50 8.90 15.50 26.00 1.200 48.80 12.00 17.00 45.0 8.0 DCNT 102-030-16A-M12 10.20 M12 10.00 10.40 17.00 30.00 1.500 52.50 16.00 20.00 48.0 10.0 DCNT 120-035-16A-M14 12.00 M14 12.00 12.40 19.00 35.00 1.800 61.00 16.00 21.00 48.0 12.0 DCNT 140-039-16A-M16 14.00 M16 14.00 14.40 21.00 39.00 2.100 66.90 16.00 23.00 48.0 14.0 DCNT 175-042-20A-M20 17.50 M20 17.00 17.90 24.00 42.00 2.700 69.30 20.00 25.00 50.0 17.0 DCNT 210-048-25A-M24 21.00 M24 21.00 21.90 28.00 48.00 3.200 80.00 25.00 32.00 56.0 21.0 • Hole tolerance: D+0.05 in average conditions. However, it can be higher or lower according to machine and tooling conditions • Do not mount smaller drilling heads other than the specified range of the drill body. • For user guide and cutting conditions, see page 136 (1) Pre-thread hole diameter (2) Used for standard thread size (3) Cutting diameter minimum (4) Cutting diameter maximum (5) Pocket size For inserts, see pages: ICP (18) • ICP-2M (24) • ICK (28) • ICK-2M (32) • ICM (36) • ICN (42) • QCP-2M (43) • HCP-IQ (47) • FCP (52) • ICG (57) • AOMT-Chamfering (134) Spare Parts Designation DCNT 068-021-12A-M8 SR 34-508 T-7/51 K DCN 6-9.99-Y DCNT 085-026-12A-M10 SR 34-508 T-7/51 K DCN 6-9.99 DCNT 102-030-16A-M12 SR 34-508 T-7/51 K DCN 10-13.99 DCNT 120-035-16A-M14 SR 34-508 T-7/51 K DCN 10-13.99 DCNT 140-039-16A-M16 SR 34-508 T-7/51 K DCN 14-17.99 DCNT 175-042-20A-M20 SR 34-508 T-7/51 K DCN 14-17.99 DCNT 210-048-25A-M24 SR 34-508 T-7/51 K DCN 18-21.99 136 ISCAR