Hardened steel construction: Heat-treated to resist wear
reduced downtime from fewer tool changes
built from HSS (M2) to deliver reliable
Cutting direction: Right hand
delivering dependable checks that support efficient manufacturing
Carmex Thread Turning Internal and External Insert - UN (UNC,UNF,UNEF,UNS) - Neutral - 22UER/L4UNBMA End Mill Holders Hardened steel construction: Heat-treated toThe Carmex Thread Turning Internal and External Insert is a versatile threading solution designed for professional shops, engineers, buyers, tradespeople, hobbyists, and anyone who works with UN standard threads. This neutral grade insert covers UNC, UNF, UNEF, and UNS with a single, reliable tool, enabling fast setup and broad applicability from simple threading tasks to demanding applications. Broad UN thread compatibility: Supports UNC, UNF, UNEF,