The Carmex Carbide Threading Insert for UNJ, TiAlN coated, is a versatile threading solution designed for machinists who need reliable performance across a wide range of thread forms. This insert family covers many common profiles with multiple length options, making it a practical choice for both production and shop-floor threading tasks.

• Profiles & coverage: Broad compatibility with the most commonly used threading profiles, backed by five available lengths (12 mm to 40 mm) to suit your setup and reach.
• Length options: 12 mm, 16 mm, 20 mm, 30 mm, and 40 mm lengths provide flexibility for different hole depths and external diameters.
• Pitch range: Supports pitches from 0.5 mm (32 TPI) up to 6.0 mm (4 TPI), enabling both fine and coarse threading tasks.
• Double-sided cutting edges: Each insert has two cutting edges (except for BSPT/NPT/NPTF/American Buttress/API RD), allowing reindexing to extend tool life without changing inserts.
• Material & coating: Solid carbide substrate with TiAlN coating for improved wear resistance and higher hardness at temperature, promoting longer life and steadier performance.
• Internal & external capability: For many thread profiles, the same insert can machine both internal and external threads, reducing tool changes—note exceptions apply for ISO, UN, NPSM, UNJ, and Acme.

This threading insert is designed to deliver consistent, precise threads with minimal downtime. The TiAlN coating helps maintain cutting efficiency at higher speeds and temperatures, while the dual-edge design provides extended use before indexing. Ideal for production runs and workshop machining, it supports a broad range of metric and imperial thread forms, helping you standardize tooling and reduce inventory complexity.