Diamond Drill Bit Set For Stone And Glass, 30 Piece Mixed Sizes With One Eighth Inch Shank, Includes Ball, Cylinder, Cone, Needle, Oval, Inverted Cone Tips, Works With Dremel Rotary Tools, Jewelry Making Lapidary And Beading Projects

Diamond Drill Bit Set for Stone and Glass - 30pc Pack
✔️ 30-piece mix of diamond burr shapes: ball, cylinder, cone, needle

This 30-piece diamond drill bit set is designed for precise engraving and drilling on hard materials like glass, stone, ceramic, jade, and jewelry. It's ideal for lapidary work, beading, and DIY crafts, offering a handy toolkit for both beginners and seasoned makers.

✅ 30-piece diamond grinding bits set for glass, stone, and ceramic
✅ Includes ball, cylinder, cone, needle, oval, and inverted cone shapes
✅ 1/8" (3.2 mm) shank fits most rotary tools; requires 3.2 mm collet
✅ Diamond-coated bits deliver sharp, durable cutting on hard materials
✅ Supplied in a sturdy moisture-proof plastic box for easy storage and transport

💡 What is a diamond drill bit set used for in jewelry making and lapidary work?

A handy, technical overview for crafters and professionals working with hard materials:

• diamond-coated bits for precise drilling and engraving on glass, stone, and ceramic
• multiple shapes (ball, cylinder, cone, needle, oval, inverted cone) for varied carving
• 1/8" shank compatible with most rotary tools; swap to 3.2 mm collet as needed
• water cooling helps prevent overheating and extends bit life