| Manufacturer Part Number | 220120 |
| Diameter (Decimal Inch) | 0.8270" |
| Diameter (mm) | 21.00mm |
| Shank Size (Decimal Inch) | 0.4724" |
| Shank Size (mm) | 12.00mm |
| Overall Length (Decimal Inch) | 1.2200" |
| Overall Length (mm) | 31.00mm |
| Clamping Length (Decimal Inch) | 1.2200" |
| Clamping Length (mm) | 31.00mm |
| Square Size (Decimal Inch) | 0.2380" |
| Square Size (mm) | 9.65mm |
| Drill Size (Decimal Inch) | 0.2746" |
| Drill Size (mm) | 6.98mm |
| Useable Length (Decimal Inch) | 1.1260" |
| Useable Length (mm) | 28.60mm |
| Connection (Decimal Inch) | 0.3180 x 0.2380" |
| Connection (mm) | 8.08 x 6.05mm |
| Length / Diameter | 3.0 xD |
| Pitch | 24 |
| Number of Flute | 3 |
| Thread Series | UNF |
| Pitch Limit | H4 |
| Chamfer Length | 2P-3P |
| Chamfer Type | Modified Bottoming |
| Coating | Steam Oxide |
| Material | P-HSS |
| Product Type | Spiral Point Tap |