1 Inch Diamond Drill Bit 5-Pack – Glass, Tile, Porcelain & Granite

• 1 Inch Diameter: 5 identical bits per pack.
• Triple-Layer Diamond Coating: Clean, precise holes with minimal chipping.
• Side Slot: Helps cooling and lets you clear the core.
• 1-1/8 Inch Depth: Handles thick tile and glass.
• Standard 3/8 Inch Shank: Fits most corded and cordless drills.

• Materials: Glass, porcelain, ceramic tile, granite, quartz, marble and natural stone.
• Tool Compatibility: Standard corded and cordless drills.
• Not For: Concrete, masonry block, wood or metal. Do not use hammer mode.

• Mark & Wet: Mark the hole and spray or drip water on the spot. A small water dam of putty or a wet sponge works well.
• Start at an Angle: There is no pilot bit. Start at about 45 degrees to cut a small groove, or use a drill guide or scrap-wood template.
• Go Upright: Slowly bring the drill upright and drill slow and steady with light pressure.
• Keep It Wet: Keep adding water until you break through, and clear the core from the bit after each hole. Don't use hammer mode.

• Faucets & Fixtures: 1 inch holes for faucets and fixtures in tile and countertops.
• Bottle Lamps: Holes in thick glass for lights.
• Planters: Drain holes in ceramic and porcelain pots.
• Tile & Stone: Holes in porcelain, granite and quartz.

• Hole Diameter: 1 inch (25 mm)
• Pack: 5 drill bits, all 1 inch
• Depth of Cut: 1-1/8 inches
• Shank: 3/8 inch
• Cutting Edge: Triple-layer electroplated diamond
• Body: Solid alloy steel with side slot
• Use Type: Wet drilling

Q: How many bits are in the pack?
A: 5 bits, all 1 inch.
Q: Do I need water?
A: Yes. These are wet-use diamond bits. Keep the cut wet to cool the bit, control dust and get a clean, chip-free hole.
Q: Do they have a pilot bit?
A: No. Start at a slight angle to cut a groove, or use a drill guide or scrap-wood template, then bring the drill upright.