Spyder 3-Piece Diamond Edge Hole Saw Bit Set

Details Spyder diamond hole saws are the professional choice for hole-making in ceramic, porcelain, granite, slate, marble, glass, cementboard, and laminates. Premium boron-coated industrial diamond abrasive self-sharpens and makes 20X more holes and is 10X faster than standard bits. Heavy-duty single piece construction and vacuum furnace heat treated high-alloy steel provides a reliable cut and consistent round holes. It can be used wet or dry:water spray or immersion will increase tool life, reduce dust and debris, and will create a more quiet cut.