The 12mm Needle D's Diamond Drill Bit is built for fast, precise holes through porcelain, ceramic and stone using a standard drill or impact driver.
The 1/4" hex shank makes it quick to chuck up, while the diamond cutting edge handles the hard materials standard drill bits weren't made for.
Perfect for anchors, fixtures, accessories and those everyday holes tile installers drill constantly.
CHUCK IT. DRILL IT. DONE.
12mm / 1/2" Diameter — A versatile size for fixtures, anchors and installation work.
Diamond Cutting Edge — Designed to cut through hard tile and stone.
1/4" Hex Shank — Quick-change compatible with impact drivers and standard drills.
Dry-Cut Capable — Convenient for quick holes without setting up constant water cooling.
Wet Use Recommended — Adding water helps control heat and extend bit life.
Professional Jobsite Tool — Compact, simple and made for everyday installation work.
Shower accessories
Towel bars
Fixtures
Anchors
Plumbing penetrations
Backsplashes
Wall-mounted accessories
General tile installation
Designed for:
Porcelain tile
Ceramic tile
Granite
Marble
Natural stone
Engineered stone
Diameter: 12mm / approximately 1/2"
Shank: 1/4" hex
Cutting Edge: Diamond
Cutting Method: Dry capable
Cooling: Water recommended for longer bit life
Tool Compatibility: Standard drills and compatible impact drivers
Application: Drilling holes in tile and stone
Needle D's can be used dry, but diamond tools love water.
When possible, adding water helps reduce heat and can significantly extend the life of your bit—especially when drilling hard porcelain or making multiple holes.
Needle D's™ — Little bit. Big bite.
Crowne Tools — For Pros. By Pros.
Creating holes for plumbing fixtures in bathrooms and kitchens.
Drilling holes for electrical outlets and switch plates in backsplashes.
Installing towel bars, soap dishes, and other wall-mounted accessories.
Making precise pilot holes for anchors and screws.
Creating decorative cutouts in tile work.
Drilling holes in outdoor stone or pavers for lighting or other features.
Porcelain tiles
Ceramic tiles
Natural stone (granite, marble, travertine, slate)
Engineered stone (quartz, Silestone, etc.)
Other hard materials (within spec)