Carmex Thread Turning Internal Insert - NPT - Right Hand - 11IR18NPTBLU Milling Cutter Arbors The cobalt-enhanced HSS composition stays

The cobalt-enhanced HSS composition stays sharper longer under heat

and more predictable results across a range of materials

This taper-shank

Precise GO verification for M38 x 1

Corner radius versatility: Offers corner radius options

Carmex Thread Turning Internal Insert - NPT - Right Hand - 11IR18NPTBLU Milling Cutter Arbors The cobalt-enhanced HSS composition staysThe Carmex Thread Turning Internal Insert NPT Right Hand 11IR18NPTBLU is a blue coated, laydown triangular insert designed for internal threading on NPT right hand threads. It covers a broad range of thread standards, making it suitable for everything from basic to demanding threading tasks, in both production settings and hands on workshops. Wide thread standard compatibility: Delivers versatile performance across the majority of thread standards