O.D. (in)12.0000 , 304.8 mm
| Chamfer Type | Semi-Bottoming |
| Class of Fit | 2B |
| Cutting Direction | Right Hand |
| Finish/Coating | Steam Oxide Over Nitride |
| Material | HSS-E |
| Material Application | Cast Iron and Hard Materials |
| Measurement System | Imperial |
| Number of Flutes | 4 |
| Overall Length | 2.7188 in |
| Series | HTHM |
| Shank Diameter | 0.318 in |
| Style | HTHM |
| Surface Condition | Steam Oxide over Nitride |
| Thread | 5/16-24 |
| Thread Form | UNF |
| Thread Length | 11/16 in |
| Thread Limit | H3 |
| Thread Pitch | 24 |
| Thread Standard | Ground/UNF |
| Tool Size | 5/16-24 UNF |
| Type | High Performance |