Carmex Thread Mills Mini Type - For Hard Materials - UN (UNC UNF UNEF UNS) - No. 1 x 72 - MT9These Carmex Thread Mills Mini Type are solid carbide tools designed for machining hardened materials with internal threads. Aimed at machinists and engineers working with tough alloys, they deliver high performance cuts and an exceptional surface finish. Mini Type design: compact geometry optimized for tight pockets and limited access, enabling thread milling in hard to reach areas. Material: solid carbide construction built to withstand demanding