Carmex Internal UN Threadmill Insert 14mm / 28 TPI / 14 I 28 UN MT7 Insize Vernier Caliper 0-70mm Range Series 1204-70 it provides smooth and reliable

it provides smooth and reliable operation with digital readout for ease of use in both metric and imperial units

Made with premium MT7-grade solid carbide and engineered with multi-flute geometry

Set comprised of  one each

the Double Dinger ensures hassle-free installation for bath and shower waste connections

The result being any insert starting with a 22ER will fit on the respective holder

Carmex Internal UN Threadmill Insert 14mm / 28 TPI / 14 I 28 UN MT7 Insize Vernier Caliper 0-70mm Range Series 1204-70 it provides smooth and reliableMill Thread Insert UN 28 TPI, Internal The Carmex 14 I 28 UN MT7 is a precision internal thread milling insert designed for Unified (UN) threads with 28 TPI. Engineered for CNC milling using helical interpolation, it delivers accurate thread profiles, smooth cutting action, and exceptional surface finishes, making it ideal for fine pitch internal threading applications. Manufactured from MT7 fine grain carbide, this insert offers outstanding wear