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3pc nitrided

Imperial Hex Straight Flute Step Drill

Product Features：

Suitable for hardness below 25, such as carbon steel, thin iron plates, insulating boards, PVC boards, wooden boards, and other workpieces with a thickness of less than 5MM. The nitrided surface makes it last longer.

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Product Features

Material:

4241 High-Speed Steel

Surface:

Nitriding

Specifications:

3/16-1/2'':

6 steps:

3/16'' (4.76mm), 1/4'' (6.35mm), 5/16'' (7.94mm), 3/8'' (10.35mm), 7/16'' (11.11mm), 1/2'' (12.7mm)

1/4-3/4'':

9 steps: 1/4'' (6.35mm), 5/16'' (7.94mm), 3/8'' (10.35mm), 7/16'' (11.11mm), 1/2'' (12.7mm), 9/16'' (14.28mm), 5/8'' (15.88mm), 11/16'' (17.46mm), 3/4'' (19.05mm)

1/8-1/2'':

13 steps:

1/8'' (3.18mm), 5/32'' (3.97mm), 3/16'' (4.76mm), 7/32'' (5.56mm), 1/4'' (6.35mm), 9/32'' (7.14mm), 5/16'' (7.94mm), 11/32'' (8.73mm), 3/8'' (9.53mm), 13/32'' (10.32mm), 7/16'' (11.11mm), 15/32'' (11.91mm), 1/2'' (12.7mm)

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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...