Standard Carbide Drills (220D)
| Diameter - Metric (D) | 2.5 |
| Diameter - Inch (D) | 0.09843 |
| Flute Length - Metric (FL) | 25.4 |
| Overall Length - Metric (L) | 50.8 |
| Shank Diameter - Metric (d) | 2.49936 |
| Cutting Diameter Tolerance - Inch | +0 / -0.0005 |
| Cutting Diameter Tolerance - Metric | +0 / -0.013 |
| Substrate | Carbide |
| Surface Treatment | BRIGHT |
| Length of Cut - Specification | TAPER |
| Drilling L/D Ratio (xD) | 8 |
| Helix Angle - Degree | 20 |
| Point Angle - Degree (α) | 118 |
| Helix Direction | RH |
| Cutting Direction | RH |
| Coolant Thru | No |
| Number of Flutes | 2 |