Features
- Dry-drilling design for porcelain and natural stone tile
- Vacuum-brazed diamond tip for improved wear resistance
- Built-in wax insert in tip to lubricate and cool without water
- Cylindrical shank compatible with three-jaw drill chucks
- Intended for use with rotary drill/drivers (not for impact mode)
- Working length suitable for tiles of various thicknesses
Specifications
| Contents | (2) 1/4 in, (1) 5/16 in, plus case |
| Shank Type | Cylindrical (compatible with three-jaw chucks) |
| Compatible Tools | Rotary drill/drivers (do not use in impact mode) |
| Total Length In | 2 |
| Working Length In | 1.5 (approximately 1-19/64 in) |
| Pack Quantity | 3 |
| Intended Materials | Porcelain and natural stone tile |
| Warning | Do not drill in impact mode; follow safety and manufacturer instructions |
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Three-piece set of diamond-tipped drill bits designed for dry drilling in porcelain and natural stone tile. The tips use vacuum-brazed diamonds and include a wax insert to provide lubrication and cooling without water. The bits have a cylindrical shank for use in standard three-jaw drill chucks and are intended for use with rotary drill/drivers (do not use in impact mode).
Model Number: DDB3PC
Project Ideas
Business
Mobile Tile Drilling & Mounting Service
Offer on-site installation of accessories on tiled surfaces: towel bars, robe hooks, grab bars (with proper blocking), shower shelves, and bidet sprayer brackets. Market the clean, water-free drilling advantage and quick appointments. Flat-rate per hole plus hardware upsells and a damage-free guarantee to ease homeowner anxiety.
Rental Kit + Tutorial for Homeowners
Provide a weekend rental kit with the diamond bits, low-speed drill, masking templates, PPE, and anchors designed for 1/4–5/16 in holes. Include a printed guide and short video on safe, crack-free drilling. Upsell with optional concierge video call support and sell-through of consumables.
Custom Tile Plaques with Standoffs
Design and sell personalized porcelain/stone plaques (house numbers, names, signage) with pre-drilled 5/16 in standoff holes. Ship as a ready-to-install kit with standoffs, screws, anchors, and a drilling/leveling template. Target Etsy, local realtors, and home stagers for repeat orders.
Upcycled Porcelain Planter Line
Source attractive surplus/thrifted porcelain bowls and cups, add clean drainage/hanging holes, and brand them as eco-chic planters. Sell bundles with soil, macramé hangers, and care cards at farmers markets and plant shops. Offer custom drilling services for customers’ own pots for an additional fee.
Trades Subcontract: Tile-Only Add-Ons
Partner with shower door installers, plumbers, and remodelers to handle tile drilling for anchors and accessory mounts where precision matters. Provide fast turnaround, templating, and a per-hole pricing sheet for 1/4 and 5/16 in anchors. This niche support reduces their risk and accelerates their jobs.
Creative
Backlit Starfield Tile Panel
Drill a grid of 1/4 in and 5/16 in holes into a porcelain tile and mount it on standoffs in front of an LED strip. The light shines through the holes, creating a constellation effect for a bathroom or entryway. Use a simple vinyl stencil to map the star pattern and keep holes evenly spaced.
House Number Tile Plaque with Standoffs
Create a modern street-number plaque using a single large porcelain or stone tile. Drill four corner mounting holes (5/16 in for standoffs), apply ceramic decals or permanent vinyl for the numbers, and mount it floating off the wall for a gallery look. Great curb appeal upgrade with minimal cost.
Upcycled Porcelain Planters
Turn thrifted porcelain bowls, teacups, or noodle bowls into planters by drilling 1–3 drainage holes with the 1/4 in bit. Add two or three side holes for macramé cord to hang them as window planters. Finish with a clear sealant on cut edges for a clean, professional look.
Perforated Tile Lantern
Drill decorative patterns into porcelain or thin stone tiles and assemble four panels into a cube lantern around a battery LED candle. Mix hole sizes (1/4 in and 5/16 in) to create visual rhythm. The dry-drilling wax insert keeps the process clean while preserving delicate tile glazing.
Cable-Pass Coasters & Trivets
Use stone tiles as coasters or desk pads and drill a clean 5/16 in pass-through for charging cables. Add cork backing and a chamfer around the hole for a polished finish. The result organizes cables while protecting surfaces, ideal for stylish desktop setups.