- With high bending resistance and wear resistance, it is specially used for high hardness, high-speed cutting applications.
- Glass drill bits: 6mm, 8mm, 10mm, 12mm
- Twist drill bits: 3mm, 3.2mm, 4mm, 4.2mm
- Overlord drill bit: 6mm, 8mm, 10mm
- Uses: glass, metal, ceramic tiles, concrete, plastics, etc.