M20x2.5-2xDo - 2.5mm Pitch Metric Helical Flute Internal Carbide Thread Mill with Radial Coolant - (Helicool R HCR Series - Vardex)
106-00073
Thread Milling TM Solid Carbide HeliCool-Radial Cooling IN 2.5 mm ISO Shank Diameter 18 (mm) Cutting Diameter 17.1 (mm) Tool Overhang 41.2 (mm) VTH Grade
- For Internal Machining
- For Metric threads
- Ideal for Steel, Stainless Steel, HRSA's, Cast Iron & Non-Ferrous
- Made from Micro grain Solid Carbide
- TiCN coating for longer tool life
- Radial Coolant For Through Holes

| Thread Standard | ISO Metic |
| Pitch | 2.5mm |
| EXT/INT | IN |
| Coolant | Yes |
| L | 41.2mm |
| L1 | 41.2mm |
| Le | 41.2mm |
| Cutting Dia | 17.1mm |
| Z | 4 |
| Zt | 16 |
| Grade | VTH |
| Coating | TiCN |
| Description | HCR18171L41-I2.50ISOTMVTH |
| Shank Dia | 18mm |
106-00073 M20X2.5-2XDO - 2.5MM PITCH METRIC HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH RADIAL COOLANT - (HELICOOL R HCR SERIES - VARDEX)