Features:
- For drilling components lead wire holes in printed circuit boards
- Suitable for drilling aluminum, fiberglass, circuit board, wood and most plastic including acrylic
- Ideal for model engineering, electronics and jewelry making, etc
Specification:
- Cutting Edge Diameter: Approx. 3.5 mm
- Cutting Edge Length: Approx. 7 mm
- Shank Diameter: Approx. 3.1 mm
- Overall Length: Approx. 38 mm
- Tungsten steel blade, welded iron body
