Diamond Milling Finger Bits 15mm Dry Core Drill Bit for Porcelain Ceramic Granite Marble Enlarge Holes Shape Bevels and Half Moon Indents with Hex Shank Pro Grade Diamond Grit 50 60 for Precise Finish

Single-piece 15mm Diamond Milling Finger Bit for Precision
✔️ Hex shank 8.3mm, 15mm diamond, 50/60 grit, 65mm length

These high-precision milling bits enlarge, shape, and bevel holes in tough materials like porcelain, ceramic, granite, marble, and tile. They’re ideal for plumbing and electrical work where precise hole sizes matter.

✅ Hex shank: 8.3mm; diamond diameter 15mm; height 40mm; total length 65mm; grit 50/60
✅ Dry and wet use on porcelain, ceramic, granite, marble, tile, and stoneware
✅ Made from high-quality steel with vacuum brazing for a sharp, durable edge
✅ Recommended speed 2000-5000 RPM for clean, accurate cuts
✅ Pack size: piece

💡 What is a diamond milling finger bit used for in ceramic and stone work? This handy tool is designed for precise hole enlargement and shaping, plus half-moon indent creation for pipes or wires. - Dry and wet cutting on porcelain, ceramic, granite, marble - Hex shank ensures stable, precise operation in drills - Vacuum brazing provides a durable diamond edge for long life