| Manufacturer Part Number | TRR14404GSP |
| Size (Inch) | 1/4" |
| Thread Limit | H4 |
| Threads per Inch (TPI) | 20 |
| Diameter (Inch) | 1/4" |
| Diameter (Decimal Inch) | 0.250" |
| Diameter (mm) | 6.35mm |
| Thread Series | UNC |
| Overall Length (Inch) | 3-3/20" |
| Overall Length (Decimal Inch) | 3.150" |
| Overall Length (mm) | 80.01mm |
| Thread Length (Inch) | 1/2" |
| Thread Length (Decimal Inch) | 0.500" |
| Thread Length (mm) | 12.70mm |
| Square Length (Inch) | 22/71" |
| Square Length (Decimal Inch) | 0.310" |
| Square Length (mm) | 7.87mm |
| Shank Diameter (Inch) | 13/51" |
| Shank Diameter (Decimal Inch) | 0.255" |
| Shank Diameter (mm) | 6.48mm |
| Square Size (Inch) | 17/89" |
| Square Size (Decimal Inch) | 0.191" |
| Square Size (mm) | 4.85mm |
| Neck Length (Decimal Inch) | 1.181" |
| Shank Type | Square |
| Drill Size (Decimal Inch) | 0.228" |
| Drill Size (mm) | 5.80mm |
| Connection Size (Decimal Inch) | 0.255" x 0.191" |
| Connection Size (mm) | 19.30 x 4.85mm |
| Useable Length (Decimal Inch) | 1.181" |
| Useable Length (mm) | 30.00mm |
| Number of Flutes | 5 |
| Series | TRR14 |
| Coolant Through | Yes |
| Blank Standard | DIN/ANSI |
| Chamfer Type | Modified Bottoming |
| Chamfer Length | 2P-3P |
| Coating | X |
| Material | HSS-PM |
| Product Type | Thread Forming Tap |