| Product List Number | 287 |
| Tap Size | 5/16" |
| Threads Per Inch | 18 |
| Thread Type | UNC |
| Chamfer | 4.5P - 5.5P |
| Class of Fit | 2B |
| Number of Flutes | 2 |
| Coating | Steam Oxide |
| Overall Length | 2.72" |
| Thread Length | 0.700" |
| Neck Length | 1.129" |
| Shank Diameter | 0.317" |
| Square Size | 0.238" |
| Square Length | 0.374" |
| Coolant Thru | No |
| Material | HSS |
| STI Thread | No |
| Tap Style | Spiral Point |