- 【Multifunctional Stepped Drill Bit】This drill bit makes it possible to achieve deburring, chamfering, hole expansion and other functions that twist drill bit cannot complite.
- 【Widely Application of Step Drill Bit Set】Suitable for workpieces with hardness below 25°, such as iron plate, aluminum plate, PV plate, insulation board, etc.Very suitable as a gift for Father’s Day, and suitable for DIY lovers.
- 【Long Service Life】High-speed steel construction can extend the life of the cutting edge even under extreme temperatures. Blue coating enhances drill bits’ resistance to heat, corrosion and rust.
- 【Unique Design】Unique step structure, a single drill bit can drill holes in multiple different sizes.
- 【Specification of Drill Bit Set】Shank: Triangle shank, 3/16-1/2″,1/4-3/4″,1/8-1/2″,3/16-7/8″, 1/4-1-3/8″