Klein Tools QRST15 Step Drill Bit, Quick Release Spiral Double-Fluted, 7/8 to 1-3/8-Inch, Hex Shank, Cut Steel, Wood, Plastic, Aluminum

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. Three 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.

• DURABLE COATING: Step bits are coated with aluminum titanium nitride, providing a durability that is 10 times greater than black oxide, ensuring an extended bit lifespan
• IMPACT RATED: Compatible with both impact drivers and standard drills, providing versatility and reliable performance
• FASTER CUTS: Dual spiral flute design for swift chip removal and quicker cuts and drilling
• CLEAR LASER MARKINGS: Easy-to-read laser markings allow for quick size identification of three hole sizes, enhancing efficiency and accuracy
• PRECISE AND STABLE DRILLING: Fast-starting drill tip prevents walking for precise and stable drilling results
• SECURE QUICK-RELEASE HEX SHANK: 1/4-Inch hex shank with quick-release feature provides a firm, positive grip, preventing spinning in the drill
• MULTIPLE MATERIAL APPLICATIONS: Suitable for steel (up to 16 gauge), wood, plastic, and aluminum, offering versatility and convenience