Spyder 19022 Stinger Mach-Blue 12 Step Bit, Hex Shank, 3/16” - 7/8 Inch
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- 50x more holes and 2x faster than titanium or black oxide coated step drill bits
- Super-hard Mach-Blue Armor Plating retains sharper cutting edges, and reduces heat build-up and cutting friction
- Durable drill bit for long drill life, precision holes, and increased speed and productivity in tough to drill applications
- Impact rated 1/4-in speed hex won’t slip in conventional 3-jaw chucks and is ideal for use in quick change impacting power tools
- Ideal for drilling stainless steel, mild steel, aluminum, stacked materials and other difficult to drill alloys