UNJ 5/16"x18-2xDo - 18TPI Pitch UNJ Helical Flute Internal Carbide Thread Mill with Radial Coolant - (Helicool R HCR Series - Vardex)
106-00051
Thread Milling TM Solid Carbide HeliCool-Radial Cooling IN 18TPI ISO Shank Diameter 8 (mm) Cutting Diameter 6.4 (mm) Tool Overhang 16.2 (mm) VTH Grade
- For Internal Machining
 - For UNJ 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 | UNJ | 
| Pitch | 18TPI | 
| EXT/INT | IN | 
| Coolant | Yes | 
| L | 16.2mm | 
| L1 | 16.2mm | 
| Le | 16.2mm | 
| Cutting Dia | 6.4mm | 
| Z | 3 | 
| Zt | 11 | 
| Grade | VTH | 
| Coating | TiCN | 
| Description | HCR08064L15-I18UNJTMVTH | 
| Shank Dia | 8mm | 
106-00051 UNJ 5/16"X18-2XDO - 18TPI PITCH UNJ HELICAL FLUTE INTERNAL CARBIDE THREAD MILL WITH RADIAL COOLANT - (HELICOOL R HCR SERIES - VARDEX)