| Key ^ | Value |
|---|---|
| 55% Thread Drill Size | #3 |
| 65% Thread Drill Size | #5 |
| 75% Thread Drill Size | #7 |
| Drill Bit Size | 0.1980 in, 0.2013 in, 0.2045 in, 0.2078 in, 0.2110 in |
| Item | Spiral Flute Tap |
| List Number | 290 |
| Number of Flutes | 3 |
| Overall Length | 2-1/2" |
| Pitch Diameter Limit | H11 |
| Shank Dia. | 0.255" |
| Shank Length | 1 1/2 in |
| Square Size | 0.1900 in |
| Standards | ANSI |
| Tap Chamfer | Modified Bottoming |
| Tap Dimension Type | Inch |
| Tap Finish | Oxide |
| Tap Grouping | Tap |
| Tap Material | High Speed Steel |
| Tap Size | 1/4" |
| Tap Style | Spiral Flute |
| Tap Thread Size, Thread Size | 1/4"-20 |
| Tap Thread Type | UNC |
| Thread Length | 1" |

