Carmex Internal UN Threadmill Insert 21mm/ 14 TPIMill Thread Insert UN 14 TPI, Internal The 21 I 14 UN MT7 Mill Thread Insert is engineered for high precision internal threading of Unified National (UN) profiles on CNC milling machines using helical interpolation. With a thread pitch of 14 TPI, this insert is suitable for a broad range of mechanical and general purpose threading applications. Featuring a large insert size of 21, a height of 12 mm, and a thickness of 4. 7 mm, it delivers superior

This cutter is engineered for deep drilling applications

The size 12 body

Blind & Through Hole Compatible – Effective in a range of common threading tasks

Complete & Convenient Kit: The kit comes with all the necessary components

The E-Z Coil Kit Economy 7/8"-14 X 1

Metric only

Automotive: Perfect for restoring threads in engine components

Tolerance Class: ISO 2 (6H)

Somta - Hss Metric Tap M11 X 1

5D insert height

Ordering Code: 14-14 W MT7

ensures consistent engagement and efficient chip evacuation during internal threading processes