This KWB ROCKER Concrete and Masonry Drill Bit, long (250 mm), with a 12 mm diameter, is suitable for granite, concrete, masonry, natural and artificial stone, and sand-lime brick. The drill bit complies with ISO 5468, is carbide-reinforced, and features an asymmetrical spiral for optimal dust removal. This is a high-quality, hammer-resistant drill bit for (impact) drilling machines. The drill bit is high-temperature brazed, has a wide and deep carbide plate, a polished surface, and excellent machining properties.

• Length: 250 mm
• Diameter: 12 mm
• Suitable for: granite, concrete, masonry, natural and artificial stone, sand-lime brick
• Complies with: ISO 5468
• Reinforced with carbide
• Asymmetrically shaped drill spiral for optimal drilling dust removal
• Soldered at high temperature
• Hammer-resistant drill bit for (impact) drills
• Wide and deep supported carbide plate
• Polished surface
• Machining properties