- Step drills quickly and smoothly drill holes in steel, aluminum, wood, plastic, etc.
- 1. This is a HSS high speed steel step drill made of high quality HSS steel and coated with TiCN to reduce friction and heat.
- 2. Very suitable for cutting holes in various materials, including steel, brass, wood, plastic, etc.
- 3. Small dents are usually used to mark the center of the point, which can guide the drill tip and avoid slipping or offset to avoid damage.
- 4. Material: HSS high-speed steel
