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 SteelMax®
m2AL cutters feature characteristics
that provide the wear characteristics of cobalt
with the cost advantages of high-speed steel.
The durable
composition of the M2AL metallurgy of our SteelMax cutters extend
this performance advantage even further. With multiple cutting
edges and a center-free design, SteelMax cutters reduce horsepower
and torque requirements by only cutting the periphery of the hole.
A burr-free reamed quality hole is typical in an operation that is
three to four times faster than costly pilot holes and step
drilling. Chip load per tooth is greatly reduced, allowing the
cutters a high rate of penetration while improving hole quality and
tool life. The core or “slug” left behind is evidence of this
efficient cutting. Holes on curved surfaces and interrupted cuts are
easily produced without distortion. |
What is m2AL? The composition of “M2AL” has an increase in the
percentage of both carbon and approximately 1% aluminum. The other
compositions are similar to M2. With the increase of carbon and
aluminum, the hardness after heat treat can reach HRC68 (Rockwell). M2AL
cutters are much more wear-resistant than M2. Because of this extreme
hardness, the process of turning, milling and grinding requires special
grinding wheels and exacting tolerances.
In manufacturing, the mineral “cobalt” is often very poor in quality and
consistency. M2AL was developed to address these inconsistencies
and has demonstrated outstanding performance. An additional advantage is
the performance and wear characteristics of cobalt without the
brittleness at the higher Rockwell numbers.
Aside from the
above durability and edge holding features, M2AL cutters have the
following:
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The hardness grade varies from the cutting edges to the shank,with 68HRC
at the tip and reducing to 55HRC on the shank. This prevents breakage at
the highest stress points while improving tip integrity and performance.
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Unique two cut geometry, which cuts smoother with less vibration.
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Unique steps on the lands, which reduces friction and drill load.
View Specifications and Part Numbers
