Step Drill Pagoda Drill Step High Speed Steel Drill Bit

Product Information:
Material: high-speed steel 4241 (suitable for workpieces with general hardness, such as iron plates, the thickness of the plate is about 1MM)
Specifications: 4-32mm, 4-20mm, 4-12mm, three-piece ziplock bag, three-piece cloth bag
Packing:    Step high speed steel drill x1