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Umbrella drill

Product Features：

It can process a composite hole with a countersink (conical or cylindrical) at the top and a through hole at the bottom in one operation, typically used for drilling countersunk screw holes, accomplishing drilling and chamfering simultaneously. It is suitable for machining ordinary carbon steel, alloy steel, stainless steel, copper, aluminum, and some hard plastics.

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Step drill: chamfering tool
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Hesheng Tools

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Product Features

Material:

HSS High-Speed Steel

Specifications:

3-14, 5-20, 16-30

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...