5mm Diamond Coated Drill Bit Set For Glass Ceramic Tile Marble And Granite 3 By 16 Inch Hole Saw Bits Coated Core Drill Tools Water Lubrication For Clean Cuts Great For Precise Holes Pack Of 20

5mm Diamond Coated Glass Hole Saw Bits, 20-Piece Pack

✔️ 5mm dia, 50mm length, 16mm depth, 20 pcs pack

These 5mm diamond tip hole bits are designed to drill clean, precise holes in glass, tile, ceramic, and granite. They’re commonly used for hardware mounting, plumbing passes, or decorative insets in countertops, showers, and glass panels. Water lubrication is recommended to cool the bit and minimize heat and chipping.

✅ Hole diameter: 5 mm (≈0.197 in); inner diameter: 3.2 mm (≈0.126 in); total length: 50 mm (≈2.0 in); drill depth: 16 mm (≈0.63 in)
✅ Shank diameter: 4.5 mm (≈0.177 in); material: Diamond coated metal
✅ Pack size: 20 pieces
✅ Lubrication: use water to keep bit cool during drilling
✅ Cut quality: clean holes with no post-work needed

💡 What is a long-tail question that explains the use of a diamond coated hole saw for glass and stone projects? This handy Q&A offers a concise, practical answer for common readers.
- What is a handy way to drill glass, tile, or stone with a diamond hole saw?
- Why choose water cooling when using a diamond coated hole saw?
- How do you start and finish a cut to avoid chipping on hard surfaces?