Center drill bits, occasionally known as Slocombe drill bits, are used in metalworking to provide a starting hole for a larger-sized drill bit or to make a conical indentation in the end of a workpiece in which to mount a lathe center.
| Standard | DIN333 |
| Form | Form A |
| Material | HSS/HSS-E |
| Helix Angle | 60° |
| Surface | Bright/TiN Coating |
| HRC | 62-66 |
