Carmex Carbide Tiny Tool Boring Bar is a compact, solid carbide solution designed for tight spaces and precise finishing. Although engineered for boring, its robust design also handles general turning with consistent results. The 4.1 mm minimum diameter, 15 mm reach, and R0.2 radius give you access to small-diameter features and smooth bore finishes in a single tool.

• Compact bore access: 4.1 mm minimum diameter with 15 mm reach and a precise R0.2 radius enable you to reach tight bores and finish small-diameter parts cleanly in confined spaces.
• BXC Grade with TiN coating: PVD TiN coating provides low-friction, wear-resistant performance for low cutting speeds, making it well-suited for a wide range of stainless steels (ISO P30-P50 / K25-K40).
• BMK Grade with triple PVD coating: Sub-micron BMK grade offers extremely high heat resistance and a smooth cutting action, delivering reliable, general-purpose performance across many materials (ISO K10-K20).

This combination of compact geometry and coating technology helps you reduce setup time, extend tool life, and achieve consistent results across demanding boring and turning tasks. The Tiny Tool’s precise reach and reinforced cutting edges support reliable finishes, improved surface quality, and fewer tool changes, keeping your production workflow efficient and predictable.