Carmex Carbide Tiny Tool - Threading - MIR - 55° Partial - K20 Grade - 5.1mm Minimum Diameter x 15mm Reach

The Carmex Carbide Tiny Tool - Threading - MIR is a compact, high-precision threading bar built for tight spaces and small-bore internal threads. Designed for 55° partial-profile threads, it handles bores down to 1.2 mm (0.05 in) with a 5.1 mm diameter and a 15 mm reach, making it an ideal choice for precise internal work in stainless steels and similar materials.

This tool belongs to a performance-driven line that emphasizes reliability in real-world shop conditions. The BMK version features a sub-micron carbide grade with advanced PVD triple coating (ISO K10-K20), delivering extremely high heat resistance and smoother cutting for demanding applications. It’s engineered to provide consistent, repeatable results across common machining tasks without sacrificing finish quality.

• 55° partial-profile threading design: engineered for accurate, repeatable internal threads in tight bores, enabling reliable results in small-diameter parts.
• BMK PVD triple coating: a sub-micron carbide with advanced PVD coating that delivers excellent heat resistance and smooth cutting, helping extend tool life in stainless steels and other commonly milled materials.
• Compact size with ample reach and small-bore capability: 5.1 mm diameter and 15 mm reach, plus the ability to thread bores as small as 1.2 mm, ideal for constrained assemblies and hard-to-reach features.

By choosing this tiny carbide threading tool, you gain precise control in limited spaces, durable performance under heat, and consistent results across a variety of materials. Its dependable design supports faster setups, fewer reworks, and improved workflow efficiency, making it a trusted addition to any precision machining toolkit.