Page 138 - ISCAR(HOLE_MAKING_CATALOG_65)

INDEXABLE DRILLS DCNT (M8-M24) Dnominal (1) Th DCN-DCX k7 (3) DCX (4) DC_2 LTA DC_2 21.00 1.240 LS 43.80 DCONMS DF 16.00 45.0 SSC (5)

Exchangeable Head Drills with
Chamfering Inserts Mainly
for Pre-Thread Holes
PL
6
SDL
SDL
DF
PL
LTA
DCONMS
(2)
LS
DCN
Designation
6.5
13.50
12.00
6.90
M8
DCNT 068-021-12A-M8
6.50
6.80
DCNT 085-026-12A-M10
1.200
26.00
48.80
15.50
8.50
17.00
45.0
8.0
M10
12.00
8.50
8.90
DCNT 102-030-16A-M12
M12
10.00
17.00
10.20
10.40
16.00
52.50
1.500
10.0
48.0
20.00
30.00
DCNT 120-035-16A-M14
12.00
16.00
12.00
35.00
48.0
21.00
M14
1.800
12.0
61.00
12.40
19.00
DCNT 140-039-16A-M16
17.0
50.0
17.00
69.30
2.700
24.00
17.90
25.00
42.00
20.00
17.50
DCNT 175-042-20A-M20
M20
28.00
21.0
DCNT 210-048-25A-M24
25.00
48.00
3.200
32.00
56.0
80.00
21.00
21.90
21.00
M24
• 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 14.00 M16 14.00 14.40 21.00 39.00 2.100 66.90 16.00 23.00 48.0 14.0
(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
1. Drilling pre-thread blind holes: 2. Drilling pre-thread through holes:
Drilling with a 45° chamfer Drilling with a 45° chamfer
Pre-Thread Recommended Hole Diameters with DCNT Drills
Drill Designation Dia. Range M Thread Head Dia. MF Head Head Dia. TR Thread Head Dia. M Helicoil Thread Head Dia.
DCNT 068-021-12A-M8 6.5-6.99 M8 6.8
MF10x1 8.99
DCNT 085-026-12A-M10 8.5-8.99 M10 8.5 TR10x1.5 8.6
MF10x1.25 8.8
MF11x1 10.0 TR12x2 10.2
MF12x1
DCNT 102-030-16A-M12 10.0-10.99 M12 10.2 MF12x1.25 10.99 M10 10.5
10.8
MF12x1.5 10.5 TR14x4 10.5
MF13x1 12.0 TR14x2 12.2
DCNT 120-035-16A-M14 12.0-12.99 M14 12.0 MF14x1 12.99 M12 12.5
MF14x1.25 12.8
MF14x1.5 12.5 TR16x4 12.3
14.0
DCNT 140-039-16A-M16 14.0-14.99 M16 14.0 MF16x1 14.99 TR18x4 14.3 M14 14.99
MF16x1.5 14.5
DCNT 175-042-20A-M20 17.0-17.99 M20 17.5 MF20x2 17.99 TR22x5 17.3
DCNT 210-048-25A-M24 21.0-21.99 M24 21.0 MF22x1 21.0
Drill Designation Dia. Range UNF Thread Head Dia. UNC Thread Head Dia. BSW Thread Head Dia. BSF Thread Head Dia.
DCNT 068-021-12A-M8 6.5-6.99
DCNT 085-026-12A-M10 8.5-8.99 UNF3/8-24 8.5
DCNT 102-030-16A-M12 10.0-10.99 UNC1/2-13 10.8 BSW1/2-12 10.5 BSF1/2-16 10.99
DCNT 120-035-16A-M14 12.0-12.99 UNC9/16-12 12.3 BSF9/16-16 12.5
DCNT 140-039-16A-M16 14.0-14.99 UNF5/8-18 14.5
DCNT 175-042-20A-M20 17.0-17.99 UNF3/4-16 17.5
DCNT 210-048-25A-M24 21.0-21.99
Drill Designation Dia. Range NPT Thread Head Dia. BSP Thread Head Dia. UNEF Thread Head Dia. UNJF Helicoil Thread Head Dia.
DCNT 068-021-12A-M8 6.5-6.99
DCNT 085-026-12A-M10 8.5-8.99 NPT1/8-27 8.5 G1/8-28 8.8 UNEF3/8-32 8.7 UNJF3/8-24 8.6
DCNT 102-030-16A-M12 10.0-10.99
DCNT 120-035-16A-M14 12.0-12.99
DCNT 140-039-16A-M16 14.0-14.99 NPT3/8-18 14.5 UNEF5/8-24 14.8 UNJF5/8-18 14.5
DCNT 175-042-20A-M20 17.0-17.99 NPT1/2-14 17.5 UNEF3/4-20 17.8
DCNT 210-048-25A-M24 21.0-21.99
136 ISCAR