Carmex Spiral Mill Threading Insert - Metric/ISO - H45I1.5ISOMT7 Milling Cutter Arbors 31mm is a precision reaming

31mm is a precision reaming tool designed for reliable hole finishing in metalworking

Engineered for precision graphite machining

while the no-go end catches undersized or damaged threads before parts move to assembly

reliable hole finishing in professional shops and DIY setups alike

they deliver a secure fit that supports quick changes and rigid tapping for consistent thread formation across a variety of materials

Carmex Spiral Mill Threading Insert - Metric/ISO - H45I1.5ISOMT7 Milling Cutter Arbors 31mm is a precision reamingIntroducing the Carmex Spiral Mill Threading Insert (Metric ISO) H45I1. 5ISOMT7. This spiral thread insert is designed for threading and end milling tasks across a wide range of machines, from compact CNC centers to highpower milling setups. The spiral geometry enables smooth cutting at higher feed rates, helping reduce cycle times and deliver clean, consistent threads. Its built for engineers, toolmakers, and workshops that need reliable performance