Carmex Spiral Mill Threading Insert - NPT - H15-14NPTMT7 ISO Insert - RC Style Applications: Precision hole enlargement and

Applications: Precision hole enlargement and finishing in a variety of materials

16IR Insert Compatibility: Designed to accept 16IR inserts for efficient

Note that “in stock” status references blanks available for immediate fabrication

while the ISO H5 tolerance and M2 high-speed steel construction deliver durable performance for demanding workshop environments

The JBO NoGo ring gauge helps you streamline inspections

Carmex Spiral Mill Threading Insert - NPT - H15-14NPTMT7 ISO Insert - RC Style Applications: Precision hole enlargement andThe Carmex Spiral Mill Threading Insert for NPT (H15 14NPTMT7) is a high performance threading solution designed for National Pipe Taper threads. Its built to handle everything from small batches on compact machines to heavy duty milling on larger centers, delivering smooth cuts at higher feed rates. Inserts use MT7 sub micron grade with a TiN multi layer coating (ISO K10K20), providing versatile wear resistance across materials. Spiral flutes and a