Carmex Carbide Tiny Tool - Boring Bar - MTL - BXC Grade - 8.1mm Minimum Diameter x 35mm Reach x R0.2 (Left Hand) is a compact, solid carbide boring bar designed for precision boring and general turning tasks. Its slim profile and robust carbide construction deliver reliable performance in tight bores and demanding setups, making it a versatile choice for engineers, machinists, and hobbyists alike.

This tool line offers two coating grades to match your machining needs. The BXC grade features a PVD TiN coating optimized for low cutting speeds and performs well with a wide range of stainless steels (ISO P30–P50 / K25–K40). The BMK grade uses a sub-micron structure with an advanced PVD triple coating (ISO K10–K20) to provide very high heat resistance and smooth cutting, serving as a dependable general‑purpose option for all materials.

• Compact, precise geometry: 8.1 mm minimum diameter, 35 mm reach, and a left-hand R0.2 nose design that enables access to tight bores and delivers accurate, consistent cuts.
• BXC TiN-coated grade for stainless steels: Optimized for low cutting speeds to improve tool life and surface finish on stainless steels (ISO P30–P50 / K25–K40).
• BMK sub-micron grade with triple PVD coating: Exceptional heat resistance and smooth cutting across a wide range of materials, making it a reliable general‑purpose choice (ISO K10–K20).

By combining a rigid carbide body with purpose-built coatings and a compact nose geometry, the Carmex Tiny Tool enhances workflow stability, reduces downtime from tool wear, and helps you achieve predictable, high-quality results across challenging boring and turning applications.