Concrete drill bit with 350 mm round shank, SDS-Plus core drill bit for sawing concrete holes. Concrete and stone masonry drill bit with 30/40/50 mm expansion (silver).

This set includes 30 mm, 40 mm, and 50 mm core drill bits, an SDS+ chuck, a pilot drill, and a 350 mm SDS+ extension shank. The drill bits are made of hardened metal and feature a high-quality carbide tip for long-lasting durability. They are suitable for drilling into brick walls, concrete blocks, masonry, aerated concrete blocks, hollow cores, and more. They are also suitable for installing air conditioners, range hoods, or washing machines. The drill bits are characterized by sharp teeth, low vibration, and smooth running. The rounded cutting edges distribute the load evenly, preventing the cutting edge from breaking. Professionally designed chip ejection ports ensure smooth chip removal. The set comes complete with core drill bit, pilot drill, and SDS chuck, allowing for easy and quick drilling. Applying light pressure is important to extend the life of the cutting edges and achieve a straight cut. They cannot be used for concrete walls, load-bearing walls, or walls with steel reinforcement.