Carmex Internal UN Threadmill Insert 21mm / 14 TPI / 21 I 14 UN MT7 Somta Series 551 - Hss Unf Tap 1-1/2" Bottom it provides secure engagement in

it provides secure engagement in drilling and milling machines

750 Insert Height: Reinforced design for greater strength than standard

Reliable Thread Restoration – Quickly repairs fine-pitch metric threads

15 x M10 Straight

Carmex Internal UN Threadmill Insert 21mm / 14 TPI / 21 I 14 UN MT7 Somta Series 551 - Hss Unf Tap 1-1/2" Bottom it provides secure engagement inMill Thread Insert UN 14 TPI, Internal The Carmex 21 I 14 UN MT7 is a high precision internal thread milling insert for producing Unified (UN) threads with 14 TPI. Designed for use on CNC milling machines with helical interpolation, it ensures excellent profile accuracy, repeatability, and surface finish across a variety of materials. Built from MT7 ultra fine carbide, the insert offers superior hardness, wear resistance, and heat stabilityensuring