Carmex Carbide Threading Insert - Unified - TiAlN Coated - 21I7UN Blacksmith Drill If you've ever chased a

If you've ever chased a misfit bolt or struggled with a stubborn hole

making it suitable for precise slotting in demanding materials

The spiral flute geometry efficiently evacuates chips as you cut

delivering reliable performance across hardened steels

The Widin Carbide Rib Processing End Mills – 2 Flute Ball Nose (WB712P) are precision cutting tools designed specifically for rib processing tasks

Carmex Carbide Threading Insert - Unified - TiAlN Coated - 21I7UN Blacksmith Drill If you've ever chased aThe 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