UN 1/4"x20-2xDo - 20TPI Pitch UN Helical Flute Internal Carbide Thread Mill with Radial Coolant - (Helicool R HCR Series - Vardex)
106-00037
Thread Milling TM Solid Carbide HeliCool-Radial Cooling IN 20TPI ISO Shank Diameter 6 (mm) Cutting Diameter 4.88 (mm) Tool Overhang 13.3 (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 | 20TPI |
| EXT/INT | IN |
| Coolant | Yes |
| L | 13.3mm |
| L1 | 13.3mm |
| Le | 13.3mm |
| Cutting Dia | 4.88mm |
| Z | 3 |
| Zt | 10 |
| Grade | VTH |
| Coating | TiCN |
| Description | HCR06048L13-I20UNCTMVTH |
| Shank Dia | 6mm |
106-00037 UN 1/4"X20-2XDO - 20TPI PITCH UN HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH RADIAL COOLANT - (HELICOOL R HCR SERIES - VARDEX)