Carmex Carbide Tiny Tool - Boring Bar - MTL - K20 Grade - 5.1mm Minimum Diameter x 10mm Reach x R0.2 (Left Hand)

The Carmex Carbide Tiny Tool is a compact, solid carbide boring bar designed for precision internal machining. While optimized for boring, it also handles general turning, delivering smooth, consistent cuts in tight bores and narrow workspaces. Built for shops that demand reliability in hard-to-reach places, this tool provides repeatable results across a range of materials.

With a 5.1 mm minimum diameter, a 10 mm reach, and a left-hand nose of radius 0.2 mm, it’s tailor-made for tight bores and controlled material removal. The tool is built from high‑quality carbide (K20 grade) and offered in coatings tuned for different applications, making it a versatile choice for stainless steels and other challenging alloys.

• Coatings optimized for stainless steel and low-speed cutting: BXC - PVD TiN coated grade reduces cutting resistance and extends edge life at lower speeds, working well with a wide range of stainless steels (ISO P30-P50 / K25-K40) to deliver steady finishes and fewer tool changes.
• Extreme heat resistance with smooth cutting: BMK - Sub-micron grade with advanced PVD triple coating provides outstanding heat resistance for maximum performance, delivering smooth cutting action and reliable results across materials (ISO K10-K20).
• Compact, left-hand design for tight bores: The 5.1 mm minimum diameter, 10 mm reach, and R0.2 left-hand nose enable precise bore finishes in confined spaces and efficient turning in close quarters.

This tiny carbide boring bar helps you finish tight, accurate bores with confidence, reducing downtime and elevating surface finish. Its coating options give you the flexibility to optimize for speed, heat, and material type, ensuring steady performance from first cut to last.