Description
Made of high-alloyed HSS-XE special steel. For extreme hardness at the tip of the tooth [up to 68 HRC]. This guarantees a high wear resistance and lifetime.
GOLD-TECH surface treatment: the special treatment for higher lifetimes.
Completely made “FULLY GROUND”. This refining rises the cutting ability with reducing friction at the same time. For an exceeded lifetime.
Only few manufacturers are capable of producing step-hardened annular cutter.
For Karnasch this is “standard”. Only this makes us produce extremely hard tooth tips [68 HRC] and yet a flexible annular cutter.
Seven different cutting geometries optimally adapted to the different diameter and cutting depths leads to high performance cutting results.
Larger Ø, see art. 20.1315 and 20.1316
Smaller Ø, see art. 20.1230
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