Extremely hard tungsten carbide spear tips and should be used at low speeds whilst applying light pressure only.
Ideal for drilling glass windows, mirrors, bottles and ceramics.
Lubricate with water for best results.
For use in variable speed drills only.
Available in sizes:
Diameter 5mm (Length 60mm)
Diameter 6mm (Length 60mm)
Diameter 7mm (Length 60mm)
Diameter 8mm (Length 75mm)
Diameter 10mm (Length 80mm)
