Spyder 19002 Spyder Stinger Mach-Blue 3/32-In X 2-7/8-In High-Speed Steel Twist Drill Bit

100x more holes and 8x faster than titanium or black oxide coated 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 Optimized 137-degree self-centering split point cutting geometry won't walk or wander -- even on pre-hardened or curved surfaces Advanced M-Series alloy tool steel construction and proprietary heat treatment increase drill bit durability, rigidity and breakage resistance Ideal for drilling stainless steel, mild steel, aluminum, wood, stacked materials and other difficult to drill alloys Made in the USA