Some Knowledge about Step Drill Bits
Step drill, also known as step drill or pagoda drill, is mainly used for drilling thin steel plates within 3mm. One drill bit can replace multiple drill bits to process holes of different diameters...
Step drill bit
A step drill bit, also known as a step bit or a unibit, is a specialized type of drill bit used for drilling holes of different diameters in a single operation. It is designed to create smooth, clean...