| Manufacturer Part Number | TTS68640 |
| Diameter (Decimal Inch) | 0.6250" |
| Diameter (mm) | 15.88mm |
| Overall Length (Decimal Inch) | 3.8100" |
| Overall Length (mm) | 96.77mm |
| Thread Length (Decimal Inch) | 0.9090" |
| Thread Length (mm) | 23.09" |
| Square Length (Decimal Inch) | 0.5600" |
| Square Length (mm) | 14.22mm |
| Shank Diameter (Decimal Inch) | 0.4800" |
| Shank Diameter (mm) | 0.3600" |
| Square Size (Decimal Inch) | 0.3600" |
| Square Size (mm) | 9.14mm |
| Neck Diameter (Decimal Inch) | 0.4690" |
| Neck Diameter (mm) | 11.91mm |
| Drill Size (Decimal Inch) | 0.5423" |
| Drill Size (mm) | 13.78mm |
| Useable (Decimal Inch) | 2.2050" |
| Useable (mm) | 56.01mm |
| Neck Length (Decimal Inch) | 2.2050" |
| Neck Length (mm) | 56.01mm |
| Number of Flutes | 8 |
| Size | 5/8" |
| Pitch | 11 TPI |
| Thread Series | UNC |
| Pitch Limit | H10 |
| 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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