Carmex Internal/External Whitworth Threadmill Insert 14mm / 11 TPI / 14–11 W MT7 Haron EXT1 – 1″ (25mm) Spindle Extender 5D length increases engagement for

5D length increases engagement for better retention

External Thread Repair – Restores damaged BSPF threads

HSS-Co substrate: Long-lasting edge in demanding conditions

Adjustment: Quick and easy adjustment for efficient use

3x3x8 - 20 PCS

Carmex Internal/External Whitworth Threadmill Insert 14mm / 11 TPI / 14–11 W MT7 Haron EXT1 – 1″ (25mm) Spindle Extender 5D length increases engagement forMill Thread Insert Whitworth 11 TPI, Internal External The Carmex 1411 W MT7 is a precision thread milling insert for cutting Whitworth (55) threads with 11 TPI. Usable for both internal and external threading, it delivers accurate profile geometry, excellent surface finish, and repeatable results on steels, stainless steels, and non ferrous alloys. Optimized for CNC helical interpolation, the size 14 body provides high rigidity and stable engagement