Cutting material: thin iron plate, aluminum material, insulating board, PVC board wood thickness within 5mm. A drill bit can be used to make a variety of holes.
Material: High speed steel 4241 (suitable for workpieces with hardness below 25°, such as carbon steel)
Specifications: 4-12mm (5th order: 4,6,8,10,12mm)
Surface treatment: titanium plating
