Carmex Thread Mills Mini Type - For Hard Materials - MJ - MJ 14-MJ 20 x 2 - MT6Carmex Mini Type Thread Mills are solid carbide tools designed for precision threading in hardened materials up to 62 HRc. Built for job shops and manufacturers that demand reliable performance, these MJ series mills deliver consistent threads and exceptional surface finish. Mini thread milling design: Compact geometry optimized for small diameter threads and tight work envelopes. Material: Solid carbide for stiffness, wear resistance, and long tool