Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 11IR48UNJBMA M&D 38 mm diameter makes it

38 mm diameter makes it ideal for finishing operations that demand tight tolerances in engineering

short design with multiple sizes: Fits tight spaces and lets you choose the right size for your machine

it reaches into deep pockets and cavities where standard cutters can’t reach

it’s a dependable choice for workshops that demand consistent results from finish passes and delicate tolerance work

repeatable bore finishes in a compact straight‑shank form

Carmex Thread Turning Internal Insert - UNJ (UNJC UNJF UNJEF UNJS) - Right Hand - 11IR48UNJBMA M&D 38 mm diameter makes itThe Carmex Thread Turning Internal Insert is a versatile right hand tool designed for internal threading tasks. It supports UNJ thread forms, including UNJC, UNJF, UNJEF, and UNJS, making it a practical choice for shops that encounter multiple standards. Its laydown triangular geometry is optimized for reliable cutting across a wide range of applications, from simple to demanding, delivering consistent results with minimal setup changes. Broad UNJ