The Lenox Tools 3021212CT Carbide Tipped Holesaw-12CT 3/4-Inch or 19MM is designed for cutting tile and stainless steel. The Heat resistant carbide teeth provide a longer life. The thick backing plate resists damage and increases product life. The Carbide Tipped Hole Saws also feature a unique tooth configuration engineered to give the ability to cut stainless steel like no other.