170 PCS / Set 1-10mm High-Speed Steel Metal Open Hole Straight Shank Twist Drill Bit(Black Box)

1. Using high-speed steel 4241 material, high hardness and strong wear resistance
2. The head is made of titanium-plated coating process, which is resistant to corrosion and rust
3. Scope of application: wood, plastic, soft metal, etc.
4. Material: high carbon steel
5. Applicable machines: hand drill, lithium drill
6. Box size: about 36x25x5 cm
7. Weight: about 3600g/set

packing list:
- 1mm drill bit x10
- 1.5mm drill x10
- 2mm drill bit x10
- 2.5mm drill x10
- 3mm drill bit x10
- 3.5mm drill x10
- 4mm drill bit x10
- 4.5mm drill x10
- 5mm drill bit x10
- 5.5mm drill x10
- 6mm drill bit x10
- 6.5mm drill x10
- 7mm drill bit x10
- 7.5mm drill bit x10
- 8mm drill bit x10
- 8.5mm drill x5
- 9mm drill bit x5
- 9.5mm drill bit x5
- 10mm drill bit x5