Description:

- Made of high speed steel and fine grinding process makes bit more sharp cutting edge, reduce cutting force and broken drill.

- Use these bits to drill small hole of different size for your project with your pin vise tool.

- Perfect for the DIY engraving amateur to make the unique and exquisite amber, olive, beads and any other wood work.

Features:

1. Easy to carry with a portable case.

2. Large chip removal space and little resistance.

3. Suitable for wood, beads, amber and olive to drilling hole.

Specification:

Color: Gold
Material: HSS
Shank diameter: 2.35mm
Twist Bits size:0.6mm/0.8mm/1mm/1.2mm/1.3mm/1.5mm/1.6mm/1.8mm/2.0mm/2.2mm

Package List:

10 x twist drill bits

Notes:

1. These drill bits are tiny, please pay attention to their placement.
2. These bits can not fit for using on hard materials, such as steel, copper, iron, concrete, etc.
3. Please keep the direction of force always vertical and uniform force rotation, otherwise the drill is easy to break.