Page 229 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE

Brazed Drilling Head

Single tube system – external thread:
DSD-E0 - Deep Single Tube Drills with External Single
Thread Connection and a Brazed Single Tip (8-14.8 dia.)
DSD-E1 - Deep Single Tube Drills with
External 2 and 4 Start Thread Connections
and a Single Brazed Tip (12.6-20 dia.)
DSD-E2/E3 - Deep Single Tube Drills with DEEP DRILLING - BTA SYSTEM
External 2 and 4 Start Thread Connections
and 2 or 3 Brazed Tips (12.6-65 dia.)
Double tube system:
DDD-E3 - Deep Double Tube Drills with External 4 Start
Thread Connection and Brazed Tips (18.4-65 dia.)

Grade of Brazed Heads
D S D - E 3 25.28 DT - PZXT

D Deep drilling / Drill Diameter Chipbreaker
Counter boring Brazed drill
Inch - Deep drilling
I
/ Counter boring
Special - Deep drilling
S
/ Counter boring
Grade
Brazed drill
Fixed pocket
S Single Tube FB
(FNBM Type)
Fixed pocket
D Double Tube FT
(FNTR Type)
D Drill
Counterbore with
C
Through Hole
Counterbore w/o
T
Through Hole
TR Trepanning

E External Thread
I Internal Thread

A Adjustable Insert
C Cartridge
F Fast Feed
Brazed, 1 tip, 1 thread
0
start (MBU type)
1 Brazed, 1 tip (UTE type)
2 Brazed, 2 tip (BTU type)
3 Brazed, 3 tip (BTU, ETU type)

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