UN 1"x8-2xDo - 8TPI Pitch UN Helical Flute Internal Carbide Thread Mill with Radial Coolant - (Helicool R HCR Series - Vardex)
106-00049
Thread Milling TM Solid Carbide HeliCool-Radial Cooling IN 8TPI ISO Shank Diameter 20 (mm) Cutting Diameter 19.9 (mm) Tool Overhang 52.4 (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 | 8TPI | 
| EXT/INT | IN | 
| Coolant | Yes | 
| L | 52.4mm | 
| L1 | 52.4mm | 
| Le | 52.4mm | 
| Cutting Dia | 19.9mm | 
| Z | 4 | 
| Zt | 16 | 
| Grade | VTH | 
| Coating | TiCN | 
| Description | HCR20199L52-I8UNCTMVTH | 
| Shank Dia | 20mm | 
106-00049 UN 1"X8-2XDO - 8TPI PITCH UN HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH RADIAL COOLANT - (HELICOOL R HCR SERIES - VARDEX)