Carmex Internal UN Threadmill Insert 40mm/ 4 TPI 50MM / 2" Large PVC Swing Check Valve 150 PSI F/F BSPT Thread Reliable Chip Evacuation – 45°

Reliable Chip Evacuation – 45° spiral flute ensures clean cutting and swarf removal in blind holes

Maxwell slitting saw blades are designed to meet the diverse cutting

Eight depth rods in 1" increments for versatile use

the correct tap

Carmex Internal UN Threadmill Insert 40mm/ 4 TPI 50MM / 2" Large PVC Swing Check Valve 150 PSI F/F BSPT Thread Reliable Chip Evacuation – 45°Mill Thread Insert UN 4 TPI, Internal The 40 I 4 UN MT7 Mill Thread Insert is specifically designed for internal threading of Unified National (UN) profiles on CNC milling machines using helical interpolation. Designed to cut at 4 TPI, this insert delivers accurate and stable performance for large pitch Unified threads in heavy duty mechanical and industrial components. With a size 40 profile, 20 mm height, and 6. 3 mm thickness, it provides excellent