Feature(may vary by option.)

●3-13 mm step drill: the hole size is clearly marked on the surface, you can easily check the data. Size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm.
●Step drill HSS: It is made of high-speed steel and has a longer service life than other steels. It has a high hardness and good wear resistance.
●Hex shank: The hex shank fits securely into the tool chuck and prevents slipping. The two-wave design removes chips faster and allows particles to escape easily.
●Smooth cutting: Titanium coated to reduce friction and run cooler. It can automatically deburr holes during drilling to keep the drill clean.
●Wide application: suitable for cutting holes in a variety of materials such as steel, brass, wood, plastic, etc. A necessity for families, craftsmen or professionals!

[3-13mm]

[4-22mm]

Description

Specification:

Material: high-speed steel 4241.

Surface treatment: titanium coating

Size: 3-13mm

(11 steps: 3/4/5/6/7/8/9/10/11/12/13mm)

Shank: hexagonal shaft 6.35 mm.

Length: 76 mm.

【Feature】

1. Titanium coated to reduce friction and run at lower temperatures.

2. No pilot hole is required and holes can be drilled automatically.

3. Long service life, easy to store and carry.

4. The uniquely textured conductor bit can open different specifications of the opening.

5. For hand drills and bench drills. Suitable for workpieces with a hardness of less than 25 HRC, such as carbon steel, thin iron plates, insulation boards, PVC panels and wooden panels.

Note:

* Suitable for workpieces with a hardness of less than 25 HRC

* Working with water cooling can effectively extend the life of the chisel.

* Recommended drilling speed: 250-400 rpm.

Package contents:

1 x step drill (3-13 mm).