| Product List Number | 290 |
| Tap Size | 5/16" |
| Threads Per Inch | 18 |
| Thread Type | UNC |
| Chamfer | 2.5P - 3P |
| Thread Limit | H3 |
| Number of Flutes | 3 |
| Coating | Steam Oxide |
| Overall Length | 2.72" |
| Thread Length | 0.444" |
| Neck Length | 1.125" |
| Shank Diameter | 0.317" |
| Square Size | 0.238" |
| Square Length | 0.374" |
| Coolant Thru | No |
| Helix Angle | 45 Degree |