Hole Saw Set, 30mm, 40mm, 50mm, 350mm SDS Plus Concrete Drill Bit with Extension Rod and Tungsten Carbide Tip, Hole Saw for Brick, Stone, Concrete, and Cement

Product Information 【PACKAGE LIST】: 30mm, 40mm, and 50mm drill bits, SDS+ arbors, pilot drill bits, and a 350mm SDS+ extension rod; This high-quality TCT concrete hole saw set contains everything you need to get started. 【NECESSARY PARTS INCLUDED】: This core drill set comes with 1 locking screw and 1 pilot drill bit, which is quite convenient for stabilizing the drilling process and ensuring the drill bit tip doesn't move while drilling. 【PREMIUM MATERIAL】: This masonry drill bit set is made of high-quality tungsten carbide tip material, offering high strength and excellent drilling performance for demanding, long-term drilling jobs. It is also durable enough to last a long time. 【PRECISE CUTTING】: These tungsten carbide-tipped drill bits are perfect for cutting clean holes in concrete, brick, and cinder block. 【WIDE APPLICATION】: Suitable for brick walls, red brick, masonry walls, foam bricks, hollow cores, etc. It can be used for installing air conditioners, such as air conditioners, range hoods, or washing machines. Note: Do not use on steel, tile, or stone. Product Description: This core drill bit set includes all the basic accessories needed for drilling masonry, making it an ideal tool set to get started. With 3 types of premium TCT pilot drill bits and an extension rod with round shafts, this is a truly practical and worthwhile drill bit set that you shouldn't miss.