drill-bit-dat

木工尖头钻 - Brad-point-drill-bit-dat

塑料专用钻 - Plastic drill bit

阶梯钻最佳 - Step drill bit

Twist drill bit

• drill-bit -mechanics

targeted materials

• glass-dat - marble-dat

• ceramic-tile-dat - Concrete-dat

• plastic-dat

• wood-dat

• metal-dat

• stone-dat

Drill Bits: Ceramic Tile vs Glass

No — the drill bits for ceramic tile and glass are not exactly the same, though they are similar in some ways. Here’s the comparison:

Material	Recommended Drill Bit	Notes
Ceramic Tile	Carbide-tipped or diamond-tipped tile bit	Usually has a spear-shaped or pointed tip to pierce the glazed surface without cracking. Works best on glazed surfaces; slower speed, light pressure.
Glass	Diamond-tipped or specialized glass/ceramic bit	Often conical or pointed, designed for brittle materials. Must drill at low speed, with water or lubrication, and ideally from both sides.

Key Differences

1. Tip shape:

   • Tile bits often have a spear point (good for glazed tiles)
     
   • Glass bits have a small conical/diamond tip to reduce chipping

2. Brittleness:

   • Glass is more prone to cracking, so drilling requires more care, water/lubrication, and two-sided drilling.
     
   • Tile can usually handle light drilling from one side.

3. Speed and pressure:

   • Both need low speed and light pressure, but glass is far less forgiving than tile.

glass

• glass-dat

✅ Recommended Drill Bits

Type	Use	Features
Glass/Ceramic bit (diamond-coated)	Drilling	Conical tip for brittle materials
HSS glass-specific bit	Small holes	Low speed, use with cooling
Diamond conical bit	Precision holes	Best for thick or hard glass

• 玻璃/瓷砖钻头（金刚石涂层） - 金刚石锥钻头 - HSS 玻璃专用钻头

purpose

polishing

ref

• fab-mechanics-dat