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5pc Imperial

Baked Yellow Spiral Stair Drill

Product Features：

High-speed steel: can be used for iron/aluminum plates around 2mm thick, and wood or plastic boards around 5mm thick. Bearing steel: can be used for thin wood, thin aluminum, thin plastic, etc. The baked yellow coating prevents rust, reduces friction, and to a certain extent improves wear resistance.

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Hesheng Tools

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Product Features

Material:

High-speed steel 4241, bearing steel

Surface:

Baked yellow

Product Parameters

Long head（∅）mm	Total length（L）mm	Handle diameter（∅）mm
52	76	9.4
53	78	9.4
47	73	9.2
52	77	5.7
36	61	5.9

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...