Diamond Drill Bits Set, 16 PCS Diamond Hole Saw Set, Glass Drill Bit for Ceramic Tile Porcelain Marble Granite Stone Bottles, 1/4 to 2 Inch

Product description

• This Tile Hole Saw have 16 Sizes(Diameter): 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(9/16"), 16mm(5/8"), 18mm(11/16"), 20mm(3/4"), 22mm(7/8"), 25mm(1"), 28mm(1-3/32"), 30mm(1-1/5"),35mm(1-2/5"), 40mm(1-1/2"), 45mm(1-3/4"), 50mm(2").
• Satisfy most of your different needs.
• Rustless & Durable: This diamond drill bits are made of high strength Carbon Steel with smooth nickel plating surface to extend the service life.
• Quick, Sharp & Smooth Cut: Each diamond hole saw was coated with high quality Diamond to enhance the drilling speed and creates a sharp, high precision and smooth cut with no broken edges In Seconds.
• Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
• Application: Drilling holes for Glass, Tile Bottles, Blocks Jars, Fiber Glass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone (especially for glass AND tile).
• Not for use on Concrete or for depths beyond about 1/2". Will work with all electric drills.
• Attention: Please keep the speed in 800-1000 per minute, keep adding water to keep the drill cool, strictly prohibit from dry drilling.