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USER GUIDETION GUIDE
SELEC

Indexable Drill Heads
Applications STS (Single Tube System) DTS (Double Tube System)

DSD…FT DSD…FB DSD-EC\IC DDD…FT DDD…FB DDD-EC

Drill heads for solid drilling SOLID CARBIDE DRILLS DEEP DRILLING - BTA SYSTEM

Drill diameter (mm) ø16 - 40 ø25 - 89 ø38 - 291.99 ø18.4 - 28 ø25 - 65 ø38 - 183.99

External 4-start thread 3 3 3 3 3 3
Thread types Internal single-start thread 3 3 3 - - -

Hole tolerance IT10 IT10 IT10 IT10 IT10 IT10

Surface finish Ra (μm) 2 2 3 2 2 3
Deep hole drilling
machines 3 3 3 3 3 3
Machines NC machines - - - - - - 3 3 3

3
3
Lathes
3
Machining centers M/C - - - 3 3 3
P Stainless ••• ••• ••• ••• ••• •••
Steel
Workpiece materials K Non-ferrous ••• ••• ••• ••• ••• •••
•••
•••
•••
•••
•••
•••
M
Cast iron
•••
•••
•••
•••
•••
•••
N
Superalloys
S
Hard materials •• •• •• •• •• ••
H •• •• •• •• •• ••
(≥40HRC)
Insert type TOGT NPHT / NPMT NPMX / TPMX TOGT NPHT / NPMT NPMX / TPMX
Plus Cartridge and Guide - - - -
pad +1 mm - +5 mm 3 3
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••• (Excellent) • (Standard)

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