Meichoon Cobalt Step Drill Bit 4-12mm, Spiral Flute M35 Multi-Hole 9 Steps Sizes Hex Shank Counterbore Drilling Cutting Enlarge Stainless Steel Plate Quenching Steel Plate DC1601
- M35 HSS & Cobalt – M35 High speed steel makes it last longer than others, cobalt ensures easily cut through steel sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease..
- Good Design – Hex Shank fits into power tools chuck securely and eliminates slip.
- two-flute design clears chips faster and allows particles to escape easily..
- A necessity for family or handyman or professionals – Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal, especially for stainless steel plate & quenching steel plate..
- It can automatically deburr holes while drilling to keep the drill bit clean..