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General Purpose Coated CBN Grade for Hardened Steel

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A new CBN tool grade to revolutionise the machining of hardened steels.

• Even under high load conditions, high wear resistance can be obtained to increase machining performance.
• Cutting edge strength offering longer tool life even during unstable or interrupted machining.
• New BM insert series with breaker for ideal chip control.

Features

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Wide application range

• For machining of hardened steels, it can be used from continuous through to interrupted machining.
• High crater wear resistance makes it possible to carry out large depth of cut machining such as removal of carbonized layers.
• Available with 3 variations of honing.
FS (Continuous cutting)
GA (General purpose cutting)
TA (Interrupted cutting)

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Cutting Performance (1)

Wear resistance

BC8020, offers high wear resistance for high load continuous cutting.

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Toughness

BC8020 with high wear resistance results in longer tool life for continuous cutting.

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Breaker Insert

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Wiper Insert

Effective for machining workpieces with low rigidity

The new wiper shape not only shortens machining time and maintains surface roughness with a high feed rate, it enables machining of areas where vibration typically prevents other tools from working.

• Wiper insert for low rigidity workpieces

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Cutting Performance (2)

Wear resistance

BC8020, offers high wear resistance for high load continuous cutting.

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Application Examples

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MIRACLE SIGMA
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