| Product List Number | 290 | |
| Tap Size | No.4 | |
| Threads Per Inch | 40 | |
| Thread Type | UNC | |
| Chamfer | 2.5P - 3P | |
| Thread Limit | H5 | |
| Number of Flutes | 3 | |
| Coating | Bright | |
| Overall Length | 1.87" | |
| Thread Length | 0.196" | |
| Neck Length | 0.559" | |
| Shank Diameter | 0.140" | |
| Square Size | 0.109" | |
| Square Length | 0.188" | |
| Coolant Thru | No | |
| Helix Angle | 45 Degree | |
| Material | HSSE | |
| STI Thread | No | |
| Tap Style | Spiral Flute | |