9pcs HSS Step Drill Bits set with black and amber coating

Features of the 9-piece HSS Step Drill Bit Set with Black and Amber Coating may include:

1. High-speed steel (HSS) material.

2. Stepped Design

3. Black and Amber Coating: Black and amber coating enhances the durability of the drill bit, reduces friction, and provides heat resistance during drilling. The coating also provides corrosion resistance and extends the life of the drill bit.

4. This set includes nine different sizes of step drill bits, providing versatility and precise hole sizes for a variety of drilling tasks.

5. The drill bit works on a variety of materials and is suitable for DIY projects, construction, and metalworking.