3mm Shank Sintered Diamond Taper Round End Carving Burs for Lapidary, Jewelry & Engraving

2.35mm and 3mm Shank Sintered Diamond Carving Burs are premium sintered diamond drill bit for rotary tools engineered for lapidary work, jewelry making, glass engraving, and fine carving applications. Featuring a fully sintered diamond head with particles embedded throughout, these diamond drill bit provide exceptional durability, long lifespan, and consistent cutting performance compared to electroplated drill bit.

Application

These diamond drill bit are suitable for high-precision tasks including carving, grinding, hollowing, engraving, and precision detailing. Compatible with most rotary tools, micromotors, and flex shafts, they are ideal for gemstone shaping, glass, ceramics, and jewelry work. 

Key Features

• Fully sintered diamond head ensures embedded diamond particles for long-lasting durability and consistent performance.
• Shank diameter: 2.35mm or 3mm; compatible with most rotary tools, micromotors, and flex shafts.
• Available in multiple head shapes including flat end cylinder, tapered cylinder, inverted cone, round end cone, round end cylinder, bullet, pearl, flame, conical point, tapered inverted cone, drum, and round ball.
• Diamond grits available: 70, 100, 170, 320, 600 — allowing rough shaping to fine finishing.
• Durable and high-precision, suitable for both professional workshops and hobbyist studios.
• Specialized for lapidary work, jewelry making, glass engraving, and ceramic detailing.