6Pcs Hex Shank Combination Drill Bits Spiral Self Tapping Drilling Screws
- Clears chips faster and allows particles to escape easily.
- Suitable for soft tapping metal, aluminum, iron.
- Using high‑quality materials, strong and durable, has a long service life.
- Multi coated optics guarantee superior light transmission and brightness.
- Perfect for auto repair and machinery where threads are specified.
