The Carmex Carbide Tiny Tool - Boring Bar is a compact solid carbide bar designed for precise boring and general turning. With an 8.1 mm minimum diameter, 35 mm reach, and an R0.2 nose radius, it enables deep bores and tight tolerances in confined spaces.

This tool line is offered in two coating grades to suit different materials and speeds: BXC TiN-coated grade for low-speed cutting on stainless steels (ISO P30-P50 / K25-K40) for longer tool life and smoother finishes, and BMK sub-micron grade with an advanced triple PVD coating for exceptional heat resistance and smooth cutting across a wide range of materials.

• BXC TiN-coated for stainless steels: Optimized for low-speed cutting, providing smoother finishes and longer tool life when working with stainless steels (ISO P30-P50 / K25-K40).
• BMK sub-micron grade with triple coating: Delivers extremely high heat resistance and smooth cutting for maximum performance across materials, reducing wear and improving reliability.
• Compact geometry for deep bores: 8.1 mm minimum diameter, 35 mm reach, and R0.2 nose radius give access to tight cavities and tight tolerances while maintaining rigidity.

Whether you’re assembling parts, prototyping, or producing components with small bores, this tiny carbide boring bar helps you work faster and more consistently. The dual coating options optimize performance for stainless steel and broader material sets, while the precise geometry supports reliable, repeatable results in demanding operations.