Page 617 - Iscar

T (Wrench Size)
DDD-EF-FT
Deep Double Tube Drills with External 4 D d
Start Thread Carrying Triangular Inserts

Eh1 L
Designation D min D max L Eh1 d Ts (1) Tsi (2)
DDD-EF 18.40-20.00-FT 18.41 20.00 61.00 3.00 16.00 TDO-I0 TDI-N0
DDD-EF 20.01-21.80-FT 20.01 21.80 63.50 3.20 18.00 TDO-I1 TDI-N1
DDD-EF 21.81-21.99-FT 21.81 21.99 63.50 3.20 19.50 TDO-I2 TDI-N2 DEEP HOLE DRILLING
DDD-EF 22.00-24.10-FT 22.00 24.10 65.50 3.40 19.50 TDO-I2 TDI-N2
DDD-EF 24.11-25.00-FT 24.11 25.00 65.50 3.40 21.00 TDO-I3 TDI-N3
DDD-EF 25.01-26.40-FT 25.01 26.40 67.50 3.60 21.00 TDO-I3 TDI-N3
DDD-EF 26.01-28.00-FT 26.41 28.00 70.50 3.60 23.50 TDO-I4 TDI-N4
• Note: Each item in the attached catalog page represents a diameter range. • For spare parts, insert information and user guide, see pages 616, 630-647
• Inserts and guide pads should be ordered separately • Ordering example: DDD-EF 018.50-FT
(1) Outer tube designation
(2) Inner tube designation
For inserts, see pages: TOGT (650)
For holders, see pages: TDO-I (D18.41-65.00) (629)

T
DDD-EF-FB Wrench size
Deep Double Tube Drills with External D d
4 Start Thread for High Feed
Eh1
L
Designation D min D max L Eh1 d T Ts (1) Tsi (2)
DDD-EF 25.00-26.40-FB 25.00 26.40 70.00 3.00 21.00 19.0 TDO-I3 TDI-N3
DDD-EF 26.41-28.70-FB 26.41 28.70 75.00 3.00 23.50 21.0 TDO-I4 TDI-N4
DDD-EF 28.71-31.00-FB 28.71 31.00 75.00 3.00 25.50 24.0 TDO-I5 TDI-N5
DDD-EF 31.01-33.30-FB 31.01 33.30 80.00 3.00 28.00 26.0 TDO-I6 TDI-N6
DDD-EF 33.31-36.20-FB 33.31 36.20 90.00 3.00 30.00 28.0 TDO-I7 TDI-N7
DDD-EF 36.21-39.60-FB 36.21 39.60 95.00 4.00 33.00 30.0 TDO-I8 TDI-N8
DDD-EF 39.61-43.00-FB 39.61 43.00 100.00 4.00 36.00 32.0 TDO-I9 TDI-N9
DDD-EF 43.01-47.00-FB 43.01 47.00 100.00 4.00 39.00 36.0 TDO-I10 TDI-N10
DDD-EF 47.01-51.70-FB 47.01 51.70 110.00 4.00 43.00 38.0 TDO-I11 TDI-N11
DDD-EF 51.71-56.20-FB 51.71 56.20 115.00 5.00 47.00 46.0 TDO-I12 TDI-N12
DDD-EF 56.21-60.60-FB 56.21 60.60 115.00 5.00 51.00 50.0 TDO-I13 TDI-N13
DDD-EF 60.61-65.00-FB 60.61 65.00 115.00 5.00 51.00 54.0 TDO-I13 TDI-N13
• For spare parts and insert information, see page 616 • For user guide and quotation form see pages 630-647 • Inserts and guide pads should be ordered
separately • Ordering example: DDD-EF 043.00-FB
(1) Outer tube designation
(2) Inner tube designation

For inserts, see pages: NPHT-RG (622) • NPMT-L2/R2 (621)
For holders, see pages: TDO-I (D18.41-65.00) (629)

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