Mengshen Cobalt Step Bit Spiral Flute 4-12mm, M35 HSS Multi-Hole 9 Steps Sizes Hex Shank Counterbore Drilling Cutting Enlarge Stainless steel Plate Quenching Steel Plate
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- Much More hardness - 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.
- It can automatically deburr holes while drilling to keep the drill bit clean.
- Split point tip increases speed.
- 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.
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