• Off-wear carbide
• For drilling glass, semiprecious stones, porcelain, ceramics, marble and other hard rocks

Technical data and dimensions:

• Shaft diameter 3.0 mm

• With ideal cutting angle of 6 °
• 2 x drill diameter 1.0 mm
• 2 drill / typesetting
• optimum operating speed: 10000-12000 U / min
• permissible Höchstdrezhal: 64,000 rev / min