HY-PRO® Spiral Flute Tap, Series: 290, Measurement System: Imperial, UNC, 1/4-20, Semi-Bottoming Chamfer, 3 Flutes, HSS-E, Steam Oxide, Class of Fit: H3, Right Hand Cutting, 1 in Thread Length, 2-1/2 in Overall Length, 0.255 in Shank Dia, Right Hand Flute Direction, H3 Thread Limit
For blind hole applications
| Class of Fit | : | H3 |
| Measurement System | : | Imperial |
| Overall Length | : | 2-1/2 in |
| Series | : | 290 |
| Shank Diameter | : | 0.255 in |
| Thread Length | : | 1 in |
| Thread Standard | : | UNC |
| Cutting Direction | : | Right Hand |
| Thread Size | : | 1/4-20 |
| Thread Limit | : | H3 |
| Chamfer Type | : | Semi-Bottoming |
| Flute Direction | : | Right Hand |
| Number of Flutes | : | 3 |
| Finish/Coating | : | Steam Oxide |
| Material | : | HSS-E |