Description
- 【3-groove spiral groove design】The 3-groove spiral groove design of the step drill bit provides smoother cutting, allowing material particles to escape easily, making the drilling operation cleaner.
- 【2-in-1 process】The precision step design and forked tip of the tapered cutting drill bit provide excellent cutting speed and accuracy, while also preventing slipping during drilling, so you can get professional results every time.
- 【Multiple sizes】Ranging in size from 4mm to 32mm, this set allows you to cut multiple hole sizes with the same drill bit, saving you time and energy without having to constantly change drill bits.
- 【Double groove design, smoother cutting】The high step design allows you to feel the stop and never drill bigger by mistake.
- 【Cutting materials】Suitable for thin iron plates, aluminum, insulation boards, PVC boards, wood thickness within 4mm, and workpiece hardness below 25°.
