Hoteche HSS Step Drill Bit made from durable M2 high-speed steel (HSS), designed for drilling and enlarging holes in metal, wood, plastic, and PVC. Featuring multiple step sizes ranging from 1/4" to 1-3/8", this versatile bit allows several hole diameters to be created with a single tool. The precision-ground cutting edges provide smooth, accurate drilling, making it ideal for electrical, HVAC, plumbing, sheet metal, and fabrication applications.