Spline Drive X-Cutter Hammer Drill Bits

• Industrial quality
• 4 cutters
• Special tungsten carbide tips
• Copper Silver brazing of carbide head
• Special steel for high torque resistance
• Unique hardening process for extended drill life
• Double spiral
• KVS-flute with core reinforcement
• Suitable for concrete, masonry, stone and brick aggregates
• Made in Germany