Technical information

Drill material legend

Tools

Code Description Hardness Toughness Structure (500x)
HM Solid carbide
For heat-treated steels and abrasive materials.
Hm Carbide Material Microscope Magnification Detail 500x

Applications

P
Steel
M
Stainless steel
K
Cast iron
N
Non-ferrous metals
S
Super alloys and titanium
H
Hardened materials

For drills without internal coolant reduce Vc. by 15-20%.

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