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3pc hex shank

Nitrided Straight-Flute Step Drill

Product Features：

Commonly used for drilling chamfered holes in thin plates (such as steel plates and aluminum alloy plates) in a single step, reducing burrs and achieving the result in one go. The hardness of the bearing steel substrate is high, and nitriding surface treatment significantly improves the hardness, wear resistance, and anti-adhesion of the drill bit surface, extending its service life.

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Step drill: chamfering tool
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Hesheng Tools

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Product Features

Material:

Bearing steel

Surface:

Blackening

Specifications:

4-12, 4-20, 4-32

Applicable

Scenarios

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About Us

Titanium-coated straight flute step drill

Company profile

Danyang Hesheng Tools Co., Ltd. is a manufacturing enterprise focusing on the R&D and production of non-standard hardware and cutting tools. Its main products include step drills, countersunk drills, Fried Dough Twists drills, chamferers, wire taps, saw blades, etc. The company has introduced CNC lathes, CNC milling machines, grinding and polishing equipment, and environmentally friendly vacuum treatment systems to continuously improve its production process level...