Carmex Thread Mills Mini Type - For Hard Materials - UN (UNC UNF UNEF UNS) - No. 6 x 32 - MT9Carmex Thread Mills Mini Type are solid carbide thread mills designed to reliably create precise internal threads in hardened materials. Ideal for machinists and engineers working with UNC, UNF, UNEF, and UNS thread standards, this compact tool delivers high performance, smooth cuts, and an excellent surface finish on tough alloys. Tool Type: Mini type carbide thread mill for internal threads in hard materials Material: Solid carbide for exceptional