1 inch Diamond Hole Saw 25mm Tile Drill Bit Masonry Tools for Stone Pack of 2Pcs

2Pcs 1 inch 25mm Diamond Coated Hole Saw Drill Bits for Stone Granite Marble Ceramic Product Specification Product Name:1 inch Diamond tip masonry bit 1 Stone cutting bits Granite hole bit Outer/Hole Diameter: 25mm(1 inch) Inner Diameter: 22mm Hex Shank Diameter: 8mm (5/16 ) Quantity: Total 2 Pcs The diamond hole saw Does NOT Have Center Pilot Drill There is no need for a Pilot Drill Bit because pilots are not safe for stone/tile/glass 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 glass Works better with a electric drill( Excluding in this item ) Diamond drill set with standard 8mm hex 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 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 will send out your order within 1-2 days after payment has been received and cleared We Can List Any Size( Hole Diameter from 2.5mm - 160mm) & Amount Of This Product How to use a hand drill to drill holes in the stone/glass/tile? Step 1. The bit on the stone/glass/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. Finally reached 90 degrees the technique requires a wobble of the drill rather that steady pressure straight on Welcome to Visit Our Store:/shops/DiamondTools30