Carmex Carbide Tiny Tool - Boring Bar - MTR - TNX Grade - 4.1mm Minimum Diameter x 10mm Reach x R0.2

Carmex Carbide Tiny Tool is a compact solid carbide boring bar designed for precise internal turning on small workpieces. With a 4.1 mm minimum diameter, 10 mm reach, and a nose radius of R0.2, it delivers accurate bores in tight spaces while maintaining robust tool life. The tool is built for the TNX grade family, making it a dependable choice for demanding bore work.

This product line offers two TNX-grade coating options to match your material and speed needs: BXC, a PVD TiN-coated grade optimized for low cutting speeds and stainless steels (ISO P30-P50 / K25-K40), and BMK, a sub-micron grade with a advanced PVD triple coating that delivers extremely high heat resistance and smooth cutting across a broad range of materials.

• Compact geometry for tight bores: The 4.1 mm minimum diameter, 10 mm reach, and R0.2 nose radius let you access confined internal features and produce clean, accurate bores with minimal tool changes.
• Two coating grades for broader material coverage: BXC TiN-coated for low-speed cutting of stainless steels, or BMK’s sub-micron, triple-coated finish for high heat resistance and smooth cutting across many materials.
• Durable carbide with controlled wear: Solid carbide construction paired with premium PVD coatings provides consistent cutting action, reduced wear, and long tool life in demanding applications.

Together, these features translate to faster setup, fewer tool changes, and more repeatable results in small-bore machining. The tiny size is ideal for precision components in industries ranging from automotive to medical devices, where tight tolerances and smooth surface finishes matter. With coatings designed for both stainless steels and high-heat materials, Carmex Carbide Tiny Tool helps you maintain edge quality over longer runs, reducing downtime and boosting overall productivity on CNC lathes and manual setups alike.