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.
You also can use these bits to drill small hole of different size for your project with your pin vise tool.
It perfect for the DIY engraving amateur to make the unique and exquisite amber, olive, beads and any other wood work.

Feature:

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: high speed steel
Shank diameter: 2.35mm
Bits size: 0.6mm, 0.8mm, 1mm, 1.2mm,1.3mm,1.5mm,1.6mm,1.8mm, 2.0mm, 2.2mm
Package including:10pcs 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.