Centering tip. Active center point for cutting in concrete. Durable carbide with fine grain size for long life and best resistance. Features a 2-cutter design with AWB brazing and hardening. Diameter optimized brazing and hardening technology increases the robustness of the drill and reduces vibration during use. Diamond-ground cutting edges enable multi-purpose drilling. The 4-spiral Dura design has a reinforced core diameter for greater resistance and stability when drilling in concrete. Suitable for virtually all interior materials such as concrete, masonry, brick, eternit, lightweight materials, multi-layer materials, ceramics, tiles, wood, plastic, metal sheets, and aluminum. Delivers optimal results in rotary and percussive drilling. Drill bit color: blue, bright ground. Pack of 1. Dimensions: 5 x 50 x 85 mm, diameter 4.5 mm.