The Drilax 3/4" Diamond Drill Bit Hole Saw Set (5‑Pack) is engineered for clean, precise drilling through hard materials such as ceramic, porcelain, glass, granite, quartz, marble, and natural stone. Each bit features a durable electroplated diamond coating designed for long life and smooth cutting performance—ideal for homeowners, DIYers, and professionals.
This 3/4" size is commonly used for Reverse Osmosis (RO) filter faucet installations, countertop holes, planter drainage, and glass or tile craft projects.
Key Features
Value 5‑Pack – 3/4" (0.75") Diamond Drill Bits Includes five identical premium bits for multiple projects or extended use.
Clean, Chip‑Free Holes Produces smooth, round openings in tile, glass, porcelain, granite, quartz, and stone.
3/8" Shank – Wide Drill Compatibility Fits most standard corded and cordless drills.
Wet Drilling Required Use water to cool the bit and extend tool life. Prevents overheating and premature wear.
No Center Pilot Needed Diamond hole saws cut cleanly without a pilot drill—ideal for brittle materials where pilot bits can cause cracking.
Drilling Depth: Up to 1 inch Suitable for countertops, tiles, and stone slabs.
How to Keep the Bit Cool (Wet Drilling Methods)
To prevent heat buildup and maintain diamond coating performance:
Build a small water dam using plumber’s putty
Spray water directly on the drilling area
Use running water to keep the bit cool during drilling
How to Start the Hole Without a Pilot Bit
Use a simple guide made from plywood, plastic, or cardboard
Start drilling at a slight angle to create a C‑shaped groove, then bring the drill upright
Steady the bit with a wet sponge until the cut begins
Applications
RO filter faucet installation (3/4" is the standard size)
Countertop holes (granite, quartz, marble)
Tile and porcelain drilling
Glass bottle lamps and craft projects
Planter drainage holes
Stone, masonry, and ceramic projects
Specifications
Size: 3/4" (0.75")
Quantity: 5 pieces
Shank: 3/8"
Drilling Depth: Up to 1-1/8 inch
UPC: 046737339952
EAN: 0046737339952
Condition: New
Safety
Always use water for cooling and wear appropriate protective gear.
