| Manufacturer Part Number | M8665 |
| Thread Size (Inch) | 5/8" |
| Thread Size (Decimal Inch) | 0.625" |
| Thread Size (mm) | 15.88mm |
| Threads per Inch (TPI) | 18 |
| Thread Series | UNF |
| Pitch Limit | H5 |
| Chamfer Type | Plug |
| Chamfer Length | 4P-5P |
| Overall Length (Decimal Inch) | 3.810" |
| Overall Length (mm) | 96.77mm |
| Thread Length (Decimal Inch) | 1.083" |
| Thread Length (mm) | 27.51mm |
| Square Length (Decimal Inch) | 0.560" |
| Square Length (mm) | 14.22mm |
| Shank Diameter (Decimal Inch) | 0.480" |
| Shank Diameter (mm) | 12.19mm |
| Square Size (Decimal Inch) | 0.360" |
| Square Size (mm) | 9.14mm |
| Neck Diameter (Decimal Inch) | 0.469" |
| Neck Diameter (mm) | 11.91mm |
| Drill Bit Size (Decimal Inch) | 0.574" |
| Drill Bit Size (mm) | 14.59mm |
| Connection Size (Decimal Inch) | 0.480" - 0.360" |
| Connection Size (mm) | 12.19 - 9.14mm |
| Length / Diameter | 3.0 x D |
| Usable Length (Decimal Inch) | 1.811" |
| Usable Length (mm) | 46.00mm |
| Shank Type | Square |
| Number of Flutes | 4 |
| Coating | TiN |
| Material | P-HSS |
| Blank Standard | 302A |
| Tap Type | SPPT |
| Series | M8 |
| Product Type | Spiral Point Tap |