1, Patented step designed carbide with diamond ground tip. 2, Cylinder shank with the best rotary concentricity performance. 3, Special hardened steel blank guaratee that best durability to unify the carbide drilling life. 4, Water feeding drilling is recommended for better performance. 5, Drilling objects: ceramic, plastic, composite, brick and hollow brick, marble slab, porcelains upto hardness Level 6 6, Vacuum soldered technology guarantee the best drilling strength and carbide
HTT, OEM job
To drill holes in various ceramic, porcelain and tile hardness up to level 6.