JOHOUSE Diamond Drill Bit Set, 18PCS Hole Saw Set for Granite Stone, Glass, Porcelain, Marble

Key features

• What You Will Get - 18PCS diamond drill bits (different sizes), 1PC lettercarving knife
• Various Sizes - Our drill bit set comes with 18 different sizes featuring 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 30mm, 35mm, 40mm and 50mm, can meet your different needs.
• ⁣Flawless Performance - Diamonds on the tip of the bit, ensuring smooth punching and making the drilling process easier, precise cutting and no rough edges.
• Perfect Design - The side slots on the bit's body can help the entry of cooling water and the ejecting of debris from the borehole. When debris gets stuck in the hole saw. You can use the mini screwdriver to pull it out.
• Widely Applicable - Our drill bits are perfectly compatible with ceramic, glass, tile, porcelain, marble, slate, granite stone, etc.