Speedbor 8 Piece Pro Spade Drill Bit Set Includes 6" Length Bits With 3/8" 1/2" 5/8" 3/4" 7/8" 1" 1-1/8" and 1-1/2" Bits All Bits Have A1/4" Hex Shank That Fits All Drills and1/4" Quick Change Adapters Patented Micro Groove Cutting Edge and Spurs Produce A Smoother Hole Finish Double Spur Design Scribes The Hole Before The Chips Are Made Producing A Cleaner Hole and Reducing Vibration Rugged Storage Case With Rubber Over Mold For Added Impact Resistance and Sliding Latch Design Provides Added Security.
- Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits
- Double cutting spurs scribe the outside of the hole reducing breakout
- 10-Percent larger shank for added durability
- Grooved hex shank prevents slipping in drill chuck or bit extension
- Fits all standard quick change chucks