The Carmex Carbide Tiny Tool - Boring Bar is a compact, high‑precision solid carbide tool designed for boring applications, with the versatility to handle general turning as well. This tiny tool is built to access tight bores and deep features without sacrificing rigidity or finish. Available in two coating grades, it’s optimized for different materials and cutting conditions while maintaining dependable, repeatable results.

• TiN-coated BXC grade for low-speed cutting: The PVD TiN coating is optimized for low cutting speeds and provides reliable performance on a wide range of stainless steels (ISO P30-P50 / K25-K40), helping extend tool life and deliver smoother finishes.
• BMK triple-coated sub-micron grade for all materials: This advanced coating combination offers extremely high heat resistance and smooth cutting, making it a strong general‑purpose option that maintains performance across diverse materials.
• Tiny-diameter, long-reach geometry for tight bores: With a 5.1 mm minimum diameter, 22 mm reach, and a nose radius of R0.05, it accesses confined features with stability and precise engagement, reducing setup changes and improving turnaround.

Designed for reliable, predictable performance, this tool delivers consistent results in both boring and turning tasks. The combination of small size, precise geometry, and purpose-built coatings helps minimize tool changes, maximize material compatibility, and support steady finishes—whether you’re working stainless steels, alloys, or general engineering projects.