The Carmex Carbide Tiny Tool is a compact solid carbide boring bar designed for precision boring and general turning. With a 3.1 mm minimum diameter, a 15 mm reach, and left-hand geometry (R0.1 edge radius), it excels in tight bores and deep pockets while delivering consistent results.

Built for reliability in busy shops, it uses specialized coated carbide grades to optimize performance on stainless steels and a wide range of other materials. The BXC grade with TiN coating supports productive cutting at lower speeds, while the BMK grade offers extreme heat resistance and smooth cutting for demanding applications.

• Ultra-compact, left-hand boring geometry: 3.1 mm minimum diameter and 15 mm reach enable access to tight bores and pockets, with a left-hand cutting orientation and a 0.1 mm edge radius for controlled, clean finishes.
• Two-coated carbide grades for versatile cutting: BXC TiN-coated carbide is optimized for low-speed cutting on a wide range of stainless steels (ISO P30–P50 / K25–K40); BMK is a sub-micron grade with a triple PVD coating for high heat resistance and smooth cutting across many materials.
• Rigid, reliable performance in a tiny form: Solid carbide construction delivers stiffness and repeatable hole diameters, reducing deflection and chatter for consistent results in tight borings and finishing passes.

Together, the Carmex Tiny Tool helps you complete tight boring jobs faster and more consistently. Its compact size, dual-coated carbide options, and left-hand geometry deliver reliable performance, longer tool life, and smoother finishes across stainless steels and other materials—helping you speed setup, reduce downtime, and achieve high-quality parts with confidence.