The Diamond Bur 7 x 12mm Coarse is a high-performance rotary tool accessory crafted for professionals and serious DIYers who need efficient, heavy-duty material removal. Featuring a 7mm diameter head with coarse diamond grit, this bur is designed to handle the toughest shaping, grinding, and carving tasks with speed and precision.

Ideal for working with stone, metal, ceramic, glass, and other hard materials, it delivers aggressive cutting action while maintaining excellent durability and control. The 12mm head length provides ample cutting surface, and the extra-long 3/32″ (2.35mm) stainless steel shaft ensures extended reach for deep or hard-to-access work areas.

Whether you're in jewelry making, metalworking, lapidary, or industrial fabrication, this diamond bur offers power, precision, and long-lasting performance.

Key Features & Benefits

• Aggressive Cutting Performance: Coarse diamond grit enables fast and effective removal of hard material, reducing time spent on shaping and carving.

• Versatile Use: Excellent for use on a wide range of materials, including stone, metal, glass, ceramic, porcelain, composites, and more.

• Extended Reach Design: Extra-long shaft provides better access to tight spaces, deep cuts, and difficult angles.

• Durable & Reliable: Engineered with a solid stainless steel shaft and industrial-grade diamond coating for extended tool life and consistent performance.

• Precision Machining: Balanced construction helps reduce vibration for smooth, controlled operation in rotary tools such as Dremel, Foredom, and other flex shaft systems.

• Ideal Applications: Jewelry making, lapidary work, dental labs, model building, engraving, mold making, industrial deburring, and restoration work.