Page 48 - HOLE MAKING CATALOG p185-310

DEEP DRILLING - BTA SYSTEM DDD-E3 DC DCONMS
Deep Double Tube Drills
with External 4 Start Thread PL
Connection and Brazed OAL
Tips (18.4-65 dia.)
NOM 0 refers to non-coated drill head, NOM 2 refers to coated drill head.

Designation DCN(1) DCX(2) OAL DCONMS PL Ts(3) Tsi(4)

DDD-E3 18.41-20.00 NOM 0 18.41 20.00 50.00 16.00 2.90 TDO-I0 TDI-N0

DDD-E3 18.41-20.00 NOM 2 18.41 20.00 50.00 16.00 2.90 TDO-I0 TDI-N0

DDD-E3 20.01-21.80 NOM 0 20.01 21.80 56.00 18.00 3.20 TDO-I1 TDI-N1

DDD-E3 20.01-21.80 NOM 2 20.01 21.80 56.00 18.00 3.20 TDO-I1 TDI-N1

DDD-E3 21.81-24.10 NOM 0 21.81 24.10 56.00 19.50 3.20 TDO-I2 TDI-N2

DDD-E3 21.81-24.10 NOM 2 21.81 24.10 56.00 19.50 3.20 TDO-I2 TDI-N2

DDD-E3 24.11-26.40 NOM 0 24.11 26.40 57.50 21.00 3.50 TDO-I3 TDI-N3

DDD-E3 24.11-26.40 NOM 2 24.11 26.40 57.50 21.00 3.50 TDO-I3 TDI-N3

DDD-E3 26.41-28.70 NOM 0 26.41 28.70 60.50 23.50 3.70 TDO-I4 TDI-N4

DDD-E3 26.41-28.70 NOM 2 26.41 28.70 60.50 23.50 3.70 TDO-I4 TDI-N4

DDD-E3 28.71-31.00 NOM 0 28.71 31.00 63.50 25.50 4.00 TDO-I5 TDI-N5

DDD-E3 28.71-31.00 NOM 2 28.71 31.00 63.50 25.50 4.00 TDO-I5 TDI-N5

DDD-E3 31.01-33.30 NOM 0 31.01 33.30 63.50 28.00 4.10 TDO-I6 TDI-N6

DDD-E3 31.01-33.30 NOM 2 31.01 33.30 63.50 28.00 4.10 TDO-I6 TDI-N6

DDD-E3 33.31-36.20 NOM 0 33.31 36.20 70.50 30.00 4.50 TDO-I7 TDI-N7

DDD-E3 33.31-36.20 NOM 2 33.31 36.20 70.50 30.00 4.50 TDO-I7 TDI-N7

DDD-E3 36.21-39.60 NOM 0 36.21 39.60 73.50 33.00 4.80 TDO-I8 TDI-N8

DDD-E3 36.21-39.60 NOM 2 36.21 39.60 73.50 33.00 4.80 TDO-I8 TDI-N8

DDD-E3 39.61-43.00 NOM 0 39.61 43.00 73.50 36.00 5.30 TDO-I9 TDI-N9

DDD-E3 39.61-43.00 NOM 2 39.61 43.00 73.50 36.00 5.30 TDO-I9 TDI-N9

DDD-E3 43.01-47.00 NOM 0 43.01 47.00 75.00 39.00 5.50 TDO-I10 TDI-N10

DDD-E3 43.01-47.00 NOM 2 43.01 47.00 75.00 39.00 5.50 TDO-I10 TDI-N10

DDD-E3 47.01-51.70 NOM 0 47.01 51.70 79.00 43.00 6.10 TDO-I11 TDI-N11

DDD-E3 47.01-51.70 NOM 2 47.01 51.70 79.00 43.00 6.10 TDO-I11 TDI-N11

DDD-E3 51.71-56.20 NOM 0 51.71 56.20 82.00 47.00 6.50 TDO-I12 TDI-N12

DDD-E3 51.71-56.20 NOM 2 51.71 56.20 82.00 47.00 6.50 TDO-I12 TDI-N12

DDD-E3 56.21-65.00 NOM 0 56.21 65.00 84.00 51.00 6.60 TDO-I13 TDI-N13

DDD-E3 56.21-65.00 NOM 2 56.21 65.00 84.00 51.00 6.60 TDO-I13 TDI-N13

• The drill tip is supplied in a grade that is suitable to machine the material group indicated in the drill head designation: ISO P, K, M, N materials • NOM 0 refers to

non-coated drill head, NOM 2 refers to coated drill head. • Ordering example: DDD-E3 47.10 OT-P0 • For quotation form and user guide, see pages 268-269, 274-280

(1) Cutting diameter minimum

(2) Cutting diameter maximum

(3) Outer tube designation

(4) Inner tube designation

For holders, see pages: TDO-I (D18.41-65.00) (266)

D- Tool diameter Universal Marking for Deep Drilling Tools
Metric- D18.40
Inch- D.724 D

d- Pilot diameter A/B
Metric- d23.5
Inch- d.630 D18.40d23.5
D.724d.630
Tool style
A- Single cutting edge B4DT18
B- Multiple cutting edges [Lot No.]

Thread type d
1ST- Single-start thread single tube
2ST- Two-start thread single tube Thread type
4ST- Four-start thread single tube
4DT- Four-start thread double tube

18- Tube diameter

232 ISCAR