| Thread Size - Inch | 1/4 |
| Thread Type | UNC |
| Threads Per Inch | 20 |
| Thread Limit | H3 |
| Chamfer Type | Modified Bottom (2.5P) |
| Major Diameter - Inch | 0.25 |
| Thread Length - Inch (Lc) | 0.398 |
| Tap Drill Size Min - Inch | 0.196 |
| Tap Drill Size Max - Inch | 0.207 |
| Neck Length - Inch (L1) | 1.177 |
| Overall Length - Inch (L) | 3.15 |
| Square Length - Inch (Ik) | 0.3125 |
| Shank Diameter - Inch (d) | 0.255 |
| Square Width - Inch (k) | 0.191 |
| STI Thread | No |
| Substrate | HSSE |
| Surface Treatment | TiN |
| Coolant Thru | No |
| Number of Flutes | 2 |
| Cutting Direction | RH |
| Helix Angle - Degree | 45 |
| Helix Direction | RH |
| Interrupted Thread | No |