Round Handle SDS Plus Shank Concrete Wall Drill Bit, Hole Saw, Cement Stone Bit With 30/40/50MM Expansion For Air Conditioners, Hoods, Or Washing Machines Pipe Punching Etc.

Made of hardened tungsten carbide, this durable drill is designed for long service life. It's suitable for brick walls, masonry, foam bricks, and hollow core drilling. Ideal for installing air conditioners, hoods, washing machines, and pipe punching. The sharp teeth of the drill bits minimize vibration during operation, allowing for a stable and efficient drilling experience. The design features alloy blade combinations that share the workload, reducing the risk of chipping. Included in the set are core drill bits of 30mm, 40mm, 50mm, and 110mm sizes, along with SDS+ arbors, guide drills, and a 350mm extension shank, providing everything needed for precise drilling. Professional drain holes are designed to facilitate smooth chip removal, ensuring clean cuts. The set comes complete with a core drill, pilot drill, and SDS arbor for quick and easy setup. To extend the life of the cutting tips and achieve straight cuts, it's crucial to maintain low pressure during use. Note that these hole openers are not suitable for concrete or load-bearing walls with steel reinforcement.