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)