| Manufacturer Part Number | 2161L |
| Diameter (Decimal Inch) | 0.2500" |
| Diameter (Inch) | 1/4" |
| Diameter (mm) | 6.35mm |
| Shank Diameter (Decimal Inch) | 0.2500" |
| Shank Diameter (Inch) | 1/4" |
| Shank Diameter (mm) | 6.35mm |
| Flute Length (Decimal Inch) | 0.6690" |
| Flute Length (Inch) | 2/3" |
| Flute Length (mm) | 16.99mm |
| Overall Length (Decimal Inch) | 2.7600" |
| Overall Length (Inch) | 2-19/25" |
| Overall Length (mm) | 70.10mm |
| Point Length (Decimal Inch) | 0.0722" |
| Point Length (mm) | 1.83mm |
| Number of Flutes | 2 |
| Point Angle (Degree) | 120 Degree |
| Series | D2N90 |
| Shank Tolerance | h6 |
| Coolant Through | No |
| Material | HSS 8% Cobalt |
| Hole Tolerance | h6 |
| Application | P |
| Cutting Direction | Right Hand |
| Product Type | NC Spotting Drill |