Sandvik Coromant 570-STFCR-25-11-B1 Indexable Cutting Unit Head

570-STFCR-25-11-B1 is a replaceable CoroTurn 107 cutting head for internal turning, designed to mount onto a CoroTurn 107 cartridge via the STFCR screw-clamp interface and identified as a CoroTurn 107 cutting head (410). Built for internal turning operations, this head includes an integrated coolant supply to help control chip formation and extend insert life. It accepts TCMT-style inserts with the TCMT 11 03 04 footprint, enabling common carbide geometries for finishing and semi-finishing passes on internal diameters. The 25 in the part number denotes the size class within the CoroTurn 107 family, aligning with Sandvik’s 25 mm head lineup. When installed with a compatible shank, the 570-STFCR-25-11-B1 head delivers precise bore finishing with repeatable insert seating and dependable screw-clamp retention. These cutting heads are part of Sandvik Coromant’s CoroTurn 107 range, known for compact, high-precision internal turning solutions and integrated coolant options.