FinishZinc PlatedIncludes7 set screw collars that firmly grip the outer diameter of the drill bit. Sizes include: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", and 1/2" Hex keys enclosed for easy installation.MaterialSteelSeriesDK Series
| Finish | Zinc Plated |
| Includes | 7 set screw collars that firmly grip the outer diameter of the drill bit. Sizes include: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", and 1/2" Hex keys enclosed for easy installation. |
| Material | Steel |
| Series | DK Series |