3PCS Step Drill Bit Set, HSS Stainless Steel, 412/20/32mm, Titanium Conical Triangle, with Hex Shank, for Drilling on Steel, Brass, Wood, and Plastic

【High-Quality Materials, Guaranteed Quality】The drill bits and conical drill bits are made of high-speed steel (HSS), ensuring their durability. Usage Tips: When using the electric drill, keep it as vertical as possible; avoid vibrations and tilting, and never exceed the maximum speed.

【Time-Saving, Effort-Saving, High Efficiency】The high-speed steel conical drill bit effectively reduces heat and friction, and cools down quickly. It automatically removes debris from the hole during drilling. Its spiral design prevents slippage, making drilling easier and more efficient.

【Three Sizes to Meet Your Needs】4-12 mm, 4-20 mm, 4-32 mm: Choose the size that best suits your needs.

【Convenient Storage Bag】The product comes with a storage bag for optimal transport and protection. No more worrying about losing or damaging small items.