Description:

These bits are made of high speed steel and fine grinding process makes bit more sharp cutting edge, reduce cutting force and broken drill.

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

You also can use these bits to drill small hole of different size for your project with your pin vise tool.

Feature:

- Compact size, light ,easy to carry.

- Large chip removal space and little resistance,Drill bits drill exact-sized holes.

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

- High speed steel construction high hardness, excellent rust resistance and it won't easy to broken.

Specification:

Color: Silver

Material: High speed steel

Shank diameter: 2.35mm

Bits size: 0.5mm,0.6mm, 0.7mm.0.8mm, 0.9mm,1mm, 1.2mm,1.4mm,1.5mm,1.6mm,1.8mm, 2.0mm.

Package Including:

12pcs x twist drill bits

Note:

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.

4.At the trepanning, please wear good protective measures, in case of chips splash damage eyes.