【Powerful Functionality】By using four cuts or cross cuts, the drilling process can be greatly accelerated, the drill bit is very stable, and the risk of hooking is greatly reduced. Even reinforced concrete cannot hinder the progress of drilling. 【Efficient Chip Removal】The stone drill is equipped with an optimized double helix structure, which can effectively clean fragments and debris. 【Sturdy And Durable】These drill bits are made of high-quality steel bars and extremely sturdy all metal tips, making them particularly durable 【Applicable Materials】SDS Plus hammer drill is suitable for professional craftsmen to drill holes in masonry, concrete, natural stone, and reinforced concrete. 【Applicable Equipment】Compatible with all common SDS Plus hammers. Using the SDS Plus socket, the drill bit can be installed on all common SDS Plus drilling rigs. 1