Feature

●Increase the cutting speed through automatic centering to prevent walking
●1. With its unique structure, the ladder can open various apertures.
●2. There is no need to use a center punch, which is not easy to break compared to ordinary twist drills.
●3. Deburring, chamfering, enlarged oval holes, and twist drills, although their functions cannot, but are possible.
●4. Use tools: drill bit and bench drill. Water cooling during work can effectively extend the service life of the drill bit;


Description

Remove debris faster and discharge particles easily
1. With its unique structure, the ladder can open various apertures.

2. There is no need to use a center punch, which is not easy to break compared to ordinary twist drills.

3. Deburring, chamfering, enlarged oval holes, and twist drills, although their functions cannot, but are possible.

4. Use tools: drill bit and bench drill. Water cooling during work can effectively extend the service life of the drill bit;
The recommended drilling speed is 250-250 RPM.

specification:

Dimensions: 4-32 mm

Tool holder: 6mm (dia), 25mm (L)

Total: 78mm (L)

Allow 1-3mm measurement error.

Material: High speed steel 4241