9-Piece Diamond Hole Saw Kit, Diamond Core Drill Bits Set(6-65mm+Hex) Tile Hole Saw Kit Vacuum Brazed Core Drill Bits for Glass Marble Granite Stone P

Specification: Material: Artificial diamond and Steel body Style: Set of 9 Pieces. (6/8/10/13/19/35/45/65mm) drill bits + 1 piece Hexagon shank Drill Diameter:6mm(1/4') , 8mm(5/16"), 10mm(3/8"), 13mm(1/2"), 19mm(3/4"), 35mm(1-3/8"), 45mm(1-3/4 "), 65mm(2-1/2") Compatible Material: Glass, Marble, Granite Stone, Porcelain Tile, Ceramic, Brick Notice: Do not use these drill bits with hammer modeOnly fit these drill bits on a cord drill, not cordless drill(no enough power)Only for tile drilling not recommend for the material behind the tileFor horizontal drilling,just give a gentle pressureFor vertical drilling, the weight of the machine will give sufficient pressureFinger Bits are used for enlarging, shaping or rounding bevel existing holes