UN 5/16"x24-2xDo - 24TPI Pitch UN Helical Flute Internal Carbide Thread Mill with Radial Coolant - (Helicool R HCR Series - Vardex)
106-00040
Thread Milling TM Solid Carbide HeliCool-Radial Cooling IN 24TPI ISO Shank Diameter 8 (mm) Cutting Diameter 6.68 (mm) Tool Overhang 16.4 (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 | 24TPI | 
| EXT/INT | IN | 
| Coolant | Yes | 
| L | 16.4mm | 
| L1 | 16.4mm | 
| Le | 16.4mm | 
| Cutting Dia | 6.68mm | 
| Z | 3 | 
| Zt | 15 | 
| Grade | VTH | 
| Coating | TiCN | 
| Description | HCR08066L16-I24UNFTMVTH | 
| Shank Dia | 8mm | 
106-00040 UN 5/16"X24-2XDO - 24TPI PITCH UN HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH RADIAL COOLANT - (HELICOOL R HCR SERIES - VARDEX)