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Solid Carbide Flat Bottom Drills

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High Efficiency Drilling in Various Types of Machining

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High efficiency counter boring in various types of machining is with excellent chipping resistance.

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Low cutting force provides less burr.
Excellent performance in correction of eccentric hole and cast hole due to high position accuracy.

Features DC>3mm

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Longer Tool Life with Stable Cutting

Coated Grade DP1020

Newly-developed coating for drills provides excellent wear resistance with low friction property, resulting in excellent versatility and extended tool life.

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Features Small Dia. DC<3mm

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Sharp Cutting Edges with Long Tool Life

Coated Grade DP102A

DP102A is a PVD coated cemented carbide grade specialized for drills, with greatly improved wear resistance when drilling small-diameter holes at low speeds and low feed conditions. This provides high adhesion and stability even with sharp cutting edges.

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Cutting Performance

Comparison of Thin Plate Machining in AISI 4140

Flat tip angle prevents burr formation in various types of applications.

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Comparison of Exit Burrs Generated in AISI 304

The unique cutting edge shape suppresses the formation of exit burrs.

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Comparison of Fracture Resistance in AISI 1050

Achieved 1.3 times longer tool life compared to conventional products because of increased stability.

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Comparison of Fracture Resistance in AISI 304

Achieved double tool life compared to conventional products because of the outstanding fracture resistance properties.

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Comparison of Machining for Angled Surface with 45° Angle in AISI 1045

Controlled abnormal fracturing because of the excellent welding resistance properties.

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Application Example

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The above application examples are customer’s applications, so it can be different from the recommended conditions.

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