These have extremely hard tungsten carbide spear tips and should be used at low speeds whilst applying light pressure only.
For drilling glass windows, mirrors, bottles and ceramics, lubricate with water for best results.
Supplied in an Aluminium storage case
Set contains one of each, 4mm, 5mm, 6mm, 8 mm and 10 mm, plus a free 3 mm bit.
T&H
Triq In-Negozju
Mriehel
E: This email address is being protected from spambots. You need JavaScript enabled to view it.
T: (+356)2122-2471