10pcs 7mm Diamond Hole Saw Drill Bits for Glass Ceramic Marble

Description: 10pcs 7mm Diamond Hole Saw Drill Bits for Glass Ceramic Marble Specification: Material: Nickel Plated Hole Saw Diameters: 7mm/0.28 inch Length: 5cm/1.78 inch Quantity: 10pcs Features: - Good performance and long life. - Excellent for making clean and accurate hole on glass and tile. - These diamond bits are capable of drilling into extremely hard materials such as stone and glass. - Use a low speed setting and Pproper cooling, such as water, to ensure longer lasting life. - Works better with a electric drill (Excluding in the item). - Superior Performance - Cut Holes in Marble, Slate, Glass, Tile, Stone, etc. How to use: 1. Clamped firmly to a bench to allow for slow controlled drilling. 2. If drilling in situ or at an awkward angle, cna try following method: 3. Make a template from a piece of timber or waste material, locate this over the area where you want to drill your hole and use it as a "guide" to start the hole. 4. Once you've got into the surface by 1mm to 2mm you can remove the guide and continue to drill in a controlled manner. 5. Start your hole diagonally, make a round trace and then hold drill straight. Package Included: 10 x Diamond Hole Saw More Details: