Klein Tools QRST01 Step Drill Bit, Quick Release, Spiral Flute, 1/8 to 1/2"

The dual spiral flutes on Klein Step Drill Bits help pull the step bit through the material for faster cutting. The aluminum titanium coating is 10 times more durable than steamed black oxide for longer bit life. Impact rated, the 1/4-Inch hex shank provides a firm, positive grip and allows quick and convenient usage with an impact driver and a drill. Thirteen hole sizes with laser marking for easy identification. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

• Step bits are coated with aluminum titanium nitride and are 10 times more durable than steamed black oxide coating for longer bit life
• Impact rated shaft allows for use with impact drivers and standard drills
• Double spiral flute removes chips for faster cuts and drilling
• Laser markings are easy to read for quick size identification of 13 hole sizes
• Fast-starting, non-walking drill tip
• Quick-release, 1/4-Inch hex shank provides a firm, positive grip and won't spin out in the drill