28PCS 6-50MM DIAMOND HOLE SAW SET TILE TAGLIERINA PER MARMO IN CERAMICA DI VETRO CERAMICA IN ITALIA

28pcs 6-50mm Diamond Hole Saw Set Tile Ceramic Glass Porcelain Marble Cutter Specifications:Material: SteelHole Diameter: 6mm/8mm/10mm/12mm/14mm/16mm/18mm/20mm/22mm/25mm/28mm/30mm/35mm/40mm/45mm/50mmQuantity: 28pcs/set Features:- Can be used with a standard electric drill.- Works better with a electric drill.(Not Included in the item).- When cutting hard materials it is important to ensure the cutter is kept cool to avoid damage to the material being drilled and premature wear of the cutter. Usage Note:--This diamond coated core drill bit removes a complete circle from glass, tiles, marble, ceramic.But it cant use on granite and metal.- It only needs water for lubrication. --Always use lubrication (water), otherwise the diamond core drill will burn.--Can be used with a standard electric drill.--Start your hole diagonally, make a round trace and then hold drill straight. Package Included:1 x Hole Saw Set (28pcs) Notice: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid.2. The color may have different as the difference display, pls understand.