Carmex External Right Hand UN Unified Thread Turning Insert 27 TPI / 16 ER 27 UN BMA dpeth micrometer this vernier hook depth gauge

this vernier hook depth gauge is suitable for workshop

repeatable results across multiple measuring applications

and yellow terminals fit 4

Part Number: 21728

this insert is suited for coarse-pitch external threading on larger components

Carmex External Right Hand UN Unified Thread Turning Insert 27 TPI / 16 ER 27 UN BMA dpeth micrometer this vernier hook depth gaugeExternal Thread Turning Insert UN Full Profile 60 The UN Full Profile External Thread Turning Insert is designed to accurately cut Unified thread profiles (UNC, UNF, UNEF, UNS) to full form, ensuring crest, root, and flank precision in every pass. This specific insert is optimized for 27 TPI pitch, delivering strong, consistent thread profiles in external turning operations. Manufactured with premium BMA grade carbide, it offers superior edge