This Heller ProXtreme concrete drill / natural stone drill has a diameter of 5.0 mm and is 115 mm long. The working length is 50 mm. The ProXtreme concrete drill features a 3-flat "Tri" shank and is suitable for extreme demands in concrete and natural stone.

The Heller ProXtreme concrete drill impresses with its exceptional lifespan, excellent drilling behavior, and strong performance. The optimal head geometry and large-volume spiral design allow for a very high drilling speed. Thanks to the ground carbide plate and high-strength head soldering, the ProXtreme is suitable for a wide range of applications. Additionally, the blasting technology used by Heller ensures extremely good performance characteristics and high break resistance.

• Strong, durable, comfortable: The all-rounder for concrete and all natural stones with superior performance
• Highest lifespan and excellent drilling behavior
• 3-flat "Tri" shank prevents slipping in the chuck
• Wide range of applications and perfect centering thanks to the ground carbide plate and high-strength head soldering
• Specifically designed for demanding drilling tasks, e.g., in concrete, granite, marble, and hollow bricks
• Extremely high speed due to optimal head geometry and large-volume spiral design
• Heller blasting technology ensures extreme performance characteristics and break resistance
• Suitable for hammer drilling and can also be used in rotary mode.