UN 9/16"x12-2xDo - 12TPI Pitch UN Helical Flute Internal Carbide Thread Mill with Radial Coolant - (Helicool R HCR Series - Vardex)
106-00046
Thread Milling TM Solid Carbide HeliCool-Radial Cooling IN 12TPI ISO Shank Diameter 12 (mm) Cutting Diameter 11.8 (mm) Tool Overhang 28.6 (mm) VTH Grade
- For Internal Machining
- For UN 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 | UN |
| Pitch | 12TPI |
| EXT/INT | IN |
| Coolant | Yes |
| L | 28.6mm |
| L1 | 28.6mm |
| Le | 28.6mm |
| Cutting Dia | 11.8mm |
| Z | 4 |
| Zt | 13 |
| Grade | VTH |
| Coating | TiCN |
| Description | HCR12118L28-I12UNCTMVTH |
| Shank Dia | 12mm |
106-00046 UN 9/16"X12-2XDO - 12TPI PITCH UN HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH RADIAL COOLANT - (HELICOOL R HCR SERIES - VARDEX)