Carmex Carbide Tiny Tool - Boring Bar - MTR - BMK Grade - 3.1mm Minimum Diameter x 15mm Reach x R0.2

The Carmex Carbide Tiny Tool is a compact solid carbide boring bar designed for precision small-diameter work. With a minimum diameter of 3.1 mm, a reach of 15 mm, and an R0.2 nose radius, it excels at creating tight, accurate bores while remaining suitable for general turning tasks. This makes it ideal for delicate components, tight tolerances, and projects where tool changes cost time.

Coated options in the BMK and BXC families give you versatility across materials and speeds. BXC TiN-coated bars are optimized for low cutting speeds and work well with a wide range of stainless steels (ISO P30-P50 / K25-K40). BMK bars use a sub-micron grade with a triple PVD coating for exceptional heat resistance and smooth cutting, delivering strong performance across materials. Both variants are designed for general-purpose use, helping you choose the right balance of durability and finish for your application.

• Small-diameter, long-reach precision: Enables accurate boring in tight bores (3.1 mm min diameter) with 15 mm reach and a 0.2 mm nose radius, reducing tooling steps and improving hole quality.
• Coatings engineered for material versatility: BXC provides reliable cutting at low speeds on stainless steels, while BMK offers outstanding heat resistance and smooth cutting for broad material compatibility, extending tool life and consistency.
• Rigid carbide construction for durable, reliable finishes: Solid carbide geometry delivers stiffness and wear resistance for stable cuts and repeatable surface finishes across production runs.

Together, these features help you complete precision bores and subtle turning tasks with fewer tool changes, consistent hole sizes, and improved surface finishes. The Carmex Tiny Tool is built to boost productivity, reduce downtime, and deliver dependable results whether you’re prototyping or running demanding production parts.