3pcs 4‑12/20/32mm Hex Ti Coated Spiral Grooved Step Drill Bits Set Cone Hole Cutter
- The kit has 3 different types of drill bits, suitable for different scale operations
- The drill has 2 notch edges, cutting faster and more glossy
- Can be used to cut holes in a variety of materials, including steel, brass, wood, plastic, etc.
- Made of high-quality HSS steel, so it has high hardness and is more durable
- Hex handle makes the installation more compact and prevents slippage when chuck