Page 45 - HOLE MAKING CATALOG p185-310
P. 45
USER GUIDE DEEP DRILLING - BTA SYSTEM
Tool Grades
Coating Brazed Drill Heads
DSD-E0 DSD-E1 DSD-E2/E3 DDD-E3
Application Grade Main Thickness Features
composition / µm
1122 TiAlCr • High wear resistance 33 3 3
2.5 • Suitable for steel, cast iron,
P P10 - P30
K K15 - K25 and difficult-to-cut material
N N15 - N25
S S15 - S25
H H15 - H25
1132 TiAlCr • Good balance between wear 33
and chipping resistance
P P20 - P30
M M25 - M35 2.5 • Suitable for steel and
stainless steel under general
cutting conditions
2122 TiAlCr 2.5 • High fracture resistance 33
M M30 - M40 • Suitable for stainless steel
3112
M M15 - M25
K K10 - K20 TiAlCr 2.5 • Good balance between wear 33
N N15 - N25 and fracture resistance
S S15 - S25
H H15 - H25
3132
K K15 - K25 • First choice for heat-resistant alloy
under general cutting conditions
N N10 - N20 TiAlCr 2.5 333
S S15 - S25
H H15 - H25
Note: Being brazed tools, the grade codes represent the grade combination of the brazed carbide tip and guide pad grades.
They do not represent the individual grade of carbide tips or guide pads.
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