Page 9 - HOLE_MAKING_CATALOG_INCH_2022_P237-P372

DRVS (Wrench Size)
IDD-EF-FT
Deep Double Tube Drills
with External 4-Start Thread DCN-DCX DCONMS
Connection Carrying Triangular
Inserts (.725-1.102 dia.)
PL OAL
Designation DCN (1) DCX (2) PL OAL DCONMS THOD (3) THID (4)
IDD-EF 0.725-0.787-FT .725 .787 .118 2.520 .630 TDO-I0 TDI-N0
IDD-EF 0.788-0.858-FT .788 .858 .126 2.626 .709 TDO-I1 TDI-N1
IDD-EF 0.859-0.866-FT .859 .866 .126 2.626 .768 TDO-I2 TDI-N2
IDD-EF 0.867-0.948-FT .867 .948 .134 2.713 .768 TDO-I2 TDI-N2
IDD-EF 0.949-0.984-FT .949 .984 .134 2.713 .827 TDO-I3 TDI-N3 DEEP DRILLING - BTA SYSTEM
IDD-EF 0.985-1.039-FT .985 1.039 .142 2.799 .827 TDO-I3 TDI-N3
IDD-EF 1.040-1.102-FT 1.040 1.102 .142 2.917 .925 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 248-252
• Inserts and guide pads to be ordered separately • Ordering example: IDD-EF 0.750FT
(1) Cutting diameter minimum
(2) Cutting diameter maximum
(3) Outer tube designation
(4) Inner tube designation
For inserts, see pages: TOGT-DT (246) • TOGT-GF (246)
For holders, see pages: TDO-I (D.725-2.56) (324)

Universal Marking for Deep Drilling Tools
D
D- Tool diameter
Metric- D16.00 F / G
Inch- D.630
d- Pilot diameter
Metric- d12.6
Inch- d.496
Tool style
F- Fixed pocket 3-5 cutting edges
G- Fixed pocket single cutting edge D16.00d12.6
D.630d.496
G4ST16
Thread type [Lot No.] d
4ST- Four-start thread single tube
1ST- Single-start thread single tube Thread type
4DT- Four-start thread double tube
16- Tube diameter

245