Pay in 4 interest-free payments of $9.90 Learn more
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
the AcuRea coating reduces wear and extends tool life
with a practical 24–48 hour despatch window
efficient machining in mold and die projects
Versatile 3 mm tooling compatibility: Optimized for 3 mm shanks and compatible with common small-diameter tools
accurate finishes in standard machine tooling setups
Carmex Carbide Threading Insert - Unified - TiAlN Coated - 21I7UN Blacksmith Drill the AcuRea coating reduces wearThe Carmex Carbide Threading Insert Unified TiAlN Coated (21I7UN) is a versatile threading solution designed for workshops that need reliable, high precision threads across multiple profiles. Built for machinists who value flexibility and edge life, this unified insert family reduces tool changes while delivering consistent performance on both internal and external threads. Thread profile coverage: A versatile collection of threading inserts that
