Seller: living_proof ✉️ (80) 94.4%, Location: Goodyear, Arizona, US, Ships to: US & many other countries, Item: 314561725891 KLEIN TOOLS IMPACT RATED - Quick Release/SPIRAL FLUTE STEP DRILL BIT(3/16"-7/8"). The Dual Spiral Flutes on these 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 in. hex shank provides a firm, positive grip and allows quick and convenient usage with an impact driver and a drill. 12 hole sizes with laser marking for easy identification. Step bit 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 Fast-starting, non-walking drill tip Quick-release, 1/4 in. hex shank provides a firm, positive grip and won't spin out in the drill For use on steel (up to 16-Gauge), wood, plastic, and aluminum Condition: New, Brand: Klein Tools, Number of Items in Set: 1, Type: Drill Bit, Item Diameter: 3/8 in, Model: QRST14, Package Quantity: 1, Material: Steel, MPN: QRST14, Item Length: 3in, Country/Region of Manufacture: China, Unit Quantity: 1, Item Width: 1 in, UPC: 092644533044