UNEF 3/4"x20- 2xDo - 20 TPI Pitch Helical Flute Internal Carbide Thread Mill with Axial Coolant - (Helicool Series - Vardex)
104-00072
Thread Milling TM Solid Carbide HeliCool IN 20 TPI UN Shank Diameter 18 (mm) Cutting Diameter 17.4 (mm) Tool Overhang 38.74 (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
- Axial coolant for blind holes

| Thread Standard | UN |
| Pitch | 20TPI |
| EXT/INT | IN |
| Coolant | Yes |
| L | 38.74mm |
| L1 | 38.74mm |
| Le | 38.74mm |
| Cutting Dia | 17.4mm |
| Z | 4 |
| Zt | 30 |
| Grade | VTH |
| Coating | TiCN |
| Description | HC18174L38-I20UNEFTMVTH |
| Shank Dia | 18mm |
104-00072 UNEF 3/4"X20- 2XDO - 20 TPI PITCH HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH AXIAL COOLANT - (HELICOOL SERIES - VARDEX)