Spyder 19008 Stinger Mach-Blue 3/16-in x 3-1/2-in High-speed Steel Twist Drill Bit
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- Up to 100x more holes and 8x faster than titanium or black oxide coated drill bits
- Super-hard Mach-Blueâ„¢ 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, wood, stacked materials and other difficult to drill alloys