Carmex Thread Mills Mini Type - For Hard Materials - UN (UNC UNF UNEF UNS) - 5/16 x 18 - MT9 FMH and hobbyists who need dependable

and hobbyists who need dependable holes with minimal setup

The Toolex Stub Type Reamer with Spiral Flute (HSS‑E) in 18

Hardened steel construction for durability: Built to resist wear and provide long-lasting accuracy

With a straightforward seating action and precise pitch-diameter readings

Medium flute length for rigidity and accuracy: The 5–8xD flute length increases stiffness during drilling

Carmex Thread Mills Mini Type - For Hard Materials - UN (UNC UNF UNEF UNS) - 5/16 x 18 - MT9 FMH and hobbyists who need dependableIntroducing Carmex Thread Mills Mini Type, a precision solid carbide thread mill designed for hard materials. Built for machinists who need reliable internal threads in challenging components, it delivers high performance, an improved cut, and an excellent surface finish. Mini Type design: Compact form optimized for tight pockets and hard to reach internal threads. Thread size: 5 16 x 18 UNC (Unified Thread Standard) for standard right hand threads.