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SELECTION GUIDE
DEEP DRILLING - BTA SYSTEM
Brazed Drill Heads
DTS
Applications STS (Single Tube System)
(Double Tube System)
ISD-E0 ISD-E1 ISD-E2/E3 IDD-E3
Brazed drill heads
Drill diameter (inch) Ø.315 - .582 Ø.496 - .787 Ø.496 - 2.559 Ø.725 - 2.559
External single-start thread
-
-
-
Thread type External 2-start thread 3 Ø.496 - .613 Ø.614 - 2.559 -
-
Ø.496 - .613
External 4-start thread
Ø.614 - .787
3
-
Hole tolerance IT9 IT9 IT9 IT9
Surface finish Ra (μinch) 80 80 80 80
Deep hole drilling machines 3 3 3 3
Machine NC machines - - - - - - 3
3
Lathes
Machining centers M/C - - - 3
Steel
P Stainless ••• ••• ••• •••
•••
•••
•••
•••
M
Workpiece material K Non-ferrous ••• ••• ••• •••
Cast iron
•••
•••
•••
•••
N
Superalloys
S
••
••
••
••
H Hard materials (≥40HRC) •• •• •• ••
Page 283 283 284 285
••• (Excellent) • (Standard)
240 ISCAR