3 Review(s)

Diamond hole saw,the diameter is 45mm , cutting depth：30mm/1.18 Inch.the round shank is 3/8 inch.special design with a center drill bit for positioning function, which is convenient to guide the hole saw,after form the hole.Excellent results in Ceramic,Porcelain,Tile,Glass,Granite Quartz,Marble,Gemstone. Please using water to cool the diamond drill bit to prevent overheating. 【Dimension】- Cutting dia: 45mm , cutting depth：30mm/1.18 Inch 【Material】- The hole saws are made of carbide steel and diamond,offering a combination of hardness and toughness for wear resistance.Beautiful appearance,excellent antirust function by chrome plating treatment. 【Applicable Material】- Widely Used In Ceramic,Porcelain,Tile,Glass,Granite Quartz,Marble,Gemstone 【Application】- The center drill bit with positioning function, which is convenient to guide the hole saw to cut accurate holes.