3-Piece Diamond Drill Bit Set 1/4, 1/2 & 3/4 Inch – Glass, Tile & Planters

• 3-Piece Set: 1/4, 1/2 and 3/4 inch diamond drill bits.
• Diamond-Coated Edge: Clean, precise holes in tile, ceramic, stone and glass.
• Side Slot: Helps clear dust and keeps the bit cooler.
• Hollow Core: Removes the core for a faster, smoother cut.

• 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.

• Bottle Lamps: 1/4 inch holes in wine bottles for lights.
• Tile Anchors: 1/2 inch holes for anchors and fittings.
• Planters: 3/4 inch drain holes in ceramic pots.
• Plumbing: Small water line and mounting holes in tile.

• Sizes: 1/4, 1/2 and 3/4 inch
• Pieces: 3 drill bits
• Chuck Fit: Drills with a 3/8 inch chuck
• Cutting Edge: Electroplated diamond
• Use Type: Wet drilling

Q: What sizes are included?
A: 1/4, 1/2 and 3/4 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.
Q: Can I drill a glass bottle?
A: Yes. Use plenty of water, low speed and light pressure, and start at a slight angle.