The Micro End Mills for Steel are manufactured with Sub Micro Grain carbide 0.5 micron, 12% Cobalt.
The special GOLD coating increases the surface hardness up to 3800 HV and resists within 1100°C which can be generate during the dry milling of hardened steels.
The Special geometry of the negative cutting edge reduces considerably the chipping thus increasing durability and finish quality.

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