| Specification | Details |
|---|---|
| Type | Gun Drill (Single Flute Deep Hole Drill with Coolant Through) |
| Diameter (Dc) | 20.5 mm |
| Overall Length (OAL) | 490 mm |
| Effective Drilling Depth | Typically 20×D or more (depends on machine and setup) |
| Material | Carbide-tipped head with steel or HSS shank |
| Shank Type | Cylindrical or straight shank (depending on manufacturer) |
| Coolant System | Internal coolant channel (for oil or coolant through system) |
| Coating | Optional (TiN, TiAlN, etc. – if applicable) |
| Application | Precision deep-hole drilling in: |