Carmex Thread Mills Solid Carbide - External - UNJ (UNJC UNJF UNJEF UNJS) - 12mm x 18 - MT7 FMH FLH FHH S&E A&NF M&D left‑hand spiral flute with right‑hand

left‑hand spiral flute with right‑hand cutting

reducing tool deflection during aggressive milling for more consistent material removal

repeatable measurements over many inspections with reduced wear

83 mm diameter with H5 tolerance (DIN 212 B): Tight size control of ±0

DIN 212-B tolerance for repeatable accuracy: Your holes stay within +0 to +0

Carmex Thread Mills Solid Carbide - External - UNJ (UNJC UNJF UNJEF UNJS) - 12mm x 18 - MT7 FMH FLH FHH S&E A&NF M&D left‑hand spiral flute with right‑handThe Carmex Thread Mills Solid Carbide external tool is engineered for precise UNJ thread milling, delivering reliable, high quality external threads in demanding materials. Designed for professional workshop environments, it combines robust carbide construction with a geometry aimed at top tier surface finish and efficiency. Material: Solid carbide construction for outstanding rigidity, wear resistance, and long tool life in tough metals. Threading