Mengshen Large M35 HSS Step Cone Drill Set 6-35mm, Cobalt Hex Shank Spiral Groove Large Pagoda Drill Hole Reamer Drilling Counterbore Cutting Enlarge Stainless Steel Quenching Steel Plate PCV Sheet
Classic high speed steel with cobalt for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types o...