T(Wrench Size)
DDD-EF-FT Deep Double Tube Drills with External 4 Start Thread Carrying Triangular InsertsDd
Eh1L
DesignationDminDmaxLEh1dTs(1)Tsi(2)
DDD-EF 18.40-20.00-FT18.4120.0061.003.0016.00TDO-I0TDI-N0
DDD-EF 20.01-21.80-FT20.0121.8063.503.2018.00TDO-I1TDI-N1
DDD-EF 21.81-21.99-FT21.8121.9963.503.2019.50TDO-I2TDI-N2
DDD-EF 22.00-24.10-FT22.0024.1065.503.4019.50TDO-I2TDI-N2
DDD-EF 24.11-25.00-FT24.1125.0065.503.4021.00TDO-I3TDI-N3
DDD-EF 25.01-26.40-FT25.0126.4067.503.6021.00TDO-I3TDI-N3
DDD-EF 26.01-28.00-FT26.4128.0070.503.6023.50TDO-I4TDI-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)

DDD-EF-FB Deep Double Tube Drills with External 4 Start Thread for High FeedT Wrench sizeD Eh1d L
DesignationDminDmaxLEh1dTTs(1)Tsi(2)
DDD-EF 25.00-26.40-FB25.0026.4070.003.0021.0019.0TDO-I3TDI-N3
DDD-EF 26.41-28.70-FB26.4128.7075.003.0023.5021.0TDO-I4TDI-N4
DDD-EF 28.71-31.00-FB28.7131.0075.003.0025.5024.0TDO-I5TDI-N5
DDD-EF 31.01-33.30-FB31.0133.3080.003.0028.0026.0TDO-I6TDI-N6
DDD-EF 33.31-36.20-FB33.3136.2090.003.0030.0028.0TDO-I7TDI-N7
DDD-EF 36.21-39.60-FB36.2139.6095.004.0033.0030.0TDO-I8TDI-N8
DDD-EF 39.61-43.00-FB39.6143.00100.004.0036.0032.0TDO-I9TDI-N9
DDD-EF 43.01-47.00-FB43.0147.00100.004.0039.0036.0TDO-I10TDI-N10
DDD-EF 47.01-51.70-FB47.0151.70110.004.0043.0038.0TDO-I11TDI-N11
DDD-EF 51.71-56.20-FB51.7156.20115.005.0047.0046.0TDO-I12TDI-N12
DDD-EF 56.21-60.60-FB56.2160.60115.005.0051.0050.0TDO-I13TDI-N13
DDD-EF 60.61-65.00-FB60.6165.00115.005.0051.0054.0TDO-I13TDI-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)