| Manufacturer Part Number | H4643 |
| Size & Pitch | 5/8-11" |
| Diameter (Decimal Inch) | 0.6250" |
| Diameter (mm) | 15.88mm |
| Overall Length (Decimal Inch) | 6.0000" |
| Overall Length (mm) | 152.40mm |
| Thread Length (Decimal Inch) | 0.7480" |
| Thread Length (mm) | 19.00mm |
| Square Length (Decimal Inch) | 0.5600" |
| Square Length (mm) | 14.22mm |
| Shank Diameter (Decimal Inch) | 0.4800" |
| Shank Diameter (mm) | 12.19mm |
| 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 |
| Connection (Decimal Inch) | 0.48 x 0.36" |
| Connection (mm) | 12.19 x 9.14mm |
| Useable Length (Decimal Inch) | 2.2050" |
| Useable Length (mm) | 56.01mm |
| Length/Diameter | 3.0 x D |
| Number of Flutes | 3 |
| Helix Angle (Degree) | 15 Degree |
| Shank Type | Square |
| Coating | Hardslick |
| Material | P-HSS |
| Chamfer Type | Plug |
| Thread Series | UNC |
| Series | H4 |
| Pitch Limit | H3 |
| Chamfer Type | Plug |
| Chamfer Length | 4P-5P |
| Trade Name | YG Tap LH Spiral Flute |
| Coolant Through | No |
| Tap Type | Left Hand Spiral Flute |
| Blank Standard | 302A |
| Product Type | Spiral Flute Tap |