| Manufacturer Part Number | TTS68406 |
| Diameter (Decimal Inch) | 0.2500" |
| Diameter (mm) | 6.35mm |
| Overall Length (Decimal Inch) | 2.5000" |
| Overall Length (mm) | 63.50mm |
| Thread Length (Decimal Inch) | 0.5000" |
| Thread Length (mm) | 12.70" |
| Square Length (Decimal Inch) | 0.3100" |
| Square Length (mm) | 7.87mm |
| Shank Diameter (Decimal Inch) | 0.2550" |
| Shank Diameter (mm) | 0.1910" |
| Square Size (Decimal Inch) | 0.1910" |
| Square Size (mm) | 4.85mm |
| Neck Diameter (Decimal Inch) | 0.1800" |
| Neck Diameter (mm) | 4.57mm |
| Drill Size (Decimal Inch) | 0.2045" |
| Drill Size (mm) | 5.20mm |
| Useable (Decimal Inch) | 1.0000" |
| Useable (mm) | 25.40mm |
| Neck Length (Decimal Inch) | 1.0000" |
| Neck Length (mm) | 25.40mm |
| Number of Flutes | 5 |
| Size | 1/4" |
| Pitch | 20 TPI |
| Thread Series | UNC |
| Pitch Limit | H6 |
| Chamfer Type | Modified Bottom |
| Chamfer Length | 2P-3P |
| Coating | TIN |
| Material | HSS-PM |
| Blank Standard | 302A |
| Helix Angle | 45 Degree |
| Coolant Through | No |
| Product Type | Thread Forming Tap |
714.897.1700
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