Feature

●Durable: high-speed steel material with high hardness has excellent durability and the recommended speed is 250 rpm to 400 rpm.
●[EFFICIENT]:The nitride coating reduces friction and lowers operating temperature, while water cooling extends the service life.
●[Special Design]: With the step design, this drill bit allows for quick and accurate drilling of holes with a diameter of 6 mm to 30 mm.
●[Practical]:The split tip not only improves work efficiency, but also allows automatic deburring, very convenient.
●[Widely Used]:Widely used in drilling holes on thin steel plate, wood, thin iron, aluminum alloys, PVC and many other materials.


Description

Specification

Item Type: Step Drill Bit
Material: 4241 high speed steel
Drill specification: approx. 6 ~ 30 mm / 0.2 ~ 1.2 inches (6 mm / 0.2 inches, 8 mm / 0.3 inches, 10 mm / 0.4 inches, 12 mm / 0.5 inches, 14 mm / 0.6 inches, 16 mm / 0.6 inches, 18 mm / 0.7 inches, 20 mm. 0.8 inch, 22 mm / 0.9 inches, 24 mm / 0.9 inches, 26 mm / 1 inches, 28 mm / 1.1 inches, 30 mm / 1.2 inches).
Drill total length: approx. 10 cm / 3.9 inches (error ± 2%).

How to use:

Package list:

1 x step drill.

1 x Storage Box (Random Color)