JINGLING 125mm 5 inch Diamond Hole Saw Glass Drill Bit for Ceramic Tile Stone Granite Masonry Tools

• Diamond hole saws are made of carbon steel and high quality diamond powdert, make these glass drill bits particularly sturdy, sharp, and durable
• Excellent for making clean and accurate hole on stone, granite, marble, tile, glass
• Outer Diameter: 125mm(5 inch); Inner Diameter: 121.2mm(4.77"); Drill Depth: 29mm(1.14")
• NOT have center pilot drill, 3/8 inch hex shank will fit handheld or upright drillers
• Product Name: Diamond hole saw set, hole saw for tile, Granite hole saw

JINGLING 5" inch 125mm Diamond Hole Saw Glass Drill Bit Coated Masonry Tools for Stone Granite Marble Ceramic Product Specification Product name: tile hole saw kit diamond, 5 inch hole saw Outer Diameter : 125mm (close to 5" inch) Inner Diameter: 121.2mm (4.77") Hex Shank Diameter: 10mm (3/8") Total length: 63mm (2.5") Drill depth: 29mm (1.14") Recommend Speed: 350-700RPM Quantity: Only 1 Piece Use: Masonry Drilling Material: Diamond, steel Features Brand new & High quality Easy to use, good performance and long life Excellent for making clean and accurate hole on stone, granite, marble, tile, concrete Works better with a electric drill (Excluding in this item) Diamond drill bit for ceramic tile with standard 10 mm shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck Drilling speed: Drill a hole in seconds Use with water as a lubricant The diamond hole saw kit does NOT have center Pilot Drill There is no need for a Pilot Drill Bit, because pilots are not safe for glass Quick Tips 1. 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 We can list any size( hole diameter from 6mm - 160mm) & amount of this product How to use a hand drill to drill holes in the stone/tile/glass/concrete? Step 1. The bit on the stone/tile/glass 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. Drill through the stone/tile/glass finally, the technique requires a "wobble" of the drill rather that steady pressure straight on