Multi-Material Carbide Tip,
positively sharpened on diamond grid

For rotation/percussion drills.

Drills through concrete, iron, wood and plastics.

With percussion:

Hard and solid materials (concrete, bricks, etc.)

Without percussion and without lubrication:

Porcelain, slate, ceramics, marble, cement-fiber

Without percussion and with soluble oil lubrication:

Hard steel, processed steel, stainless steel, cast iron

For drilling fragile materials, metal and wood, drill using rotation. In order to preserve the cutting edge, do not use a drill bit which was previously used in percussion.