helping maintain consistent performance and reducing the risk of chip buildup that can affect bore size and finish
variable helix with square edge: Versatile
Right-Hand orientation and metric fine pitch for easy use: Designed to integrate with standard fixtures and setups
ISO H5 tolerance with M2 HSS durability: The -0 to +0
accurate holes with repeatable results across common workshop materials
Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Right Hand - 16ER16UN2MK20 NCDC Drill Chuck helping maintain consistent performance andThe Carmex Thread Turning External Insert is a versatile cutting tool designed for external threading on UN standards (UNC, UNF, UNEF, UNS). Specifically oriented for right hand threads, the 16ER16UN2MK20 model offers a practical, single solution option for a wide range of UN thread tasks. As part of an industry leading range recognized worldwide, these high quality laydown triangular inserts provide a solution for the majority of the thread standards