The High Speed Steel Bur Reamer, Size 34 (11 mm) is a high-precision cutting and shaping tool engineered for professional jewelers, engravers, and metal artisans who demand accuracy, consistency, and long-term durability. Made from premium High Speed Steel, this reamer provides exceptional cutting strength, superior heat resistance, and extended tool life—perfect for heavy-duty jewelry manufacturing and detailed metalworking tasks.

This tool features a precision reamer-shaped cutting head designed for enlarging holes, refining drilled openings, preparing mountings, shaping tubing, and smoothing metal surfaces with outstanding control. Its sharp, spiral-ground flutes deliver excellent chip clearance, reduced friction, and smooth, chatter-free cutting, minimizing the need for manual finishing.

With its universal 3/32" shank, the Size 34 reamer fits all standard flex-shaft machines, micro-motors, and jeweler’s rotary tools. The 11 mm cutting diameter (In/Pul.) allows accurate enlargement and shaping for larger settings, thicker metals, and structural jewelry work. Operating within a recommended range of 10,000–20,000 RPM, this reamer ensures controlled performance for engraving, carving, and shaping tasks across various materials.

Exceptionally versatile, this reamer works efficiently on metal, wood, plastic, and stone, making it ideal for jewelers, model makers, engravers, and precision craftsmen. Whether you’re preparing heavy mounts, adjusting ring bands, shaping metal surfaces, or carving detailed textures, the Size 34 High Speed Steel reamer ensures crisp results and long-lasting cutting efficiency.

Key Benefits

• Accurate and smooth hole enlargement for large-scale jewelry work

• Durable High Speed Steel construction for extended use

• Wide RPM range (10,000–20,000) for stable performance

• Excellent for engraving, carving, shaping, and reaming

• Works on wood, metal, plastic, and stone with consistent results