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Titanium-coated straight flute step drill

3pc hex shank

Titanium-coated straight flute step drill

Product Features：

Bearing steel is often used to drill chamfered holes in thin plates in a single pass, reducing burrs and completing the process in one step. The bearing steel matrix has high hardness. 6542 high-speed steel and 4241 high-speed steel are suitable for hardness below 25, such as carbon steel and thin iron plates. Titanium coating surface treatment significantly improves the hardness.

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Product Features

Material:

Bearing steel/High-speed steel

Surface:

Titanium coating

Specifications:

3-12, 4-12, 4-20

Product Parameters

Diameter（∅）mm	Total length（L）mm	Handle diameter（∅）mm
4-20	72	6.35
3-12	77	6.35
4-12	68	6.35

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About Us

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...