JINGLING 75mm 3" inch Diamond Coated Drill Bit Hole Saw Glass Tile Ceramic Marble GraniteProduct Name: 3" inch Diamond tip drill bit, 75 mm Glass hole saw bit, 75mm Glass drill bit Product Description: Hole/Outer Diameter: 75mm (3" inch) Inner Diameter: 72.3mm Shank Diameter: 10mm (3/8") Total Length: 55mm (2-3/16") Drill depth: 25mm (1") Quantity: 1 Piece Features:Brand new & high quality Easy to use, good performance and long life Excellent for making clean and accurate hole on glass, tile, stone, granite and marble Works better with an electric drill (Excluding in this item) Use with water as a lubricant Drilling speed: drill a hole in seconds Quick Tips1. Please add water for coolant and drill slowly 2. Start drill at 45 degree to surface and align to 90 degree as hole forms 3. Never use drills while machine is in hammer action 4. Holes require no futher work as cutting is clean How to use a hand drill to drill holes in the tile? Step 1. The bit on the tile 45 degree, open a half-moon notch on it Step 2. Slowly up the bit to 60 degrees, and then gently drill Step 3. Reached 90 degrees, continue to drill Step 4. Reached 90 degrees, drill through the glass finally, the technique requires a "wobble" of the drill rather that steady pressure straight on We will send out your order within 1-2 days after payment has been received and cleared. |