Irwin® Speedbor® Blue-Groove™ 88816 2000 Standard Length Spade Bit, Spade, 1 in Dia, 6 in OAL, 5 in L Flat Flute, 1/4 in Shank

• Patented micro-groove cutting edge and spurs produce a smoother hole finish
• Optimized point tip to help minimize splintering and control speed
• Chamfered cutting edges for increased durability and longer life
• Impact accessible for use with impact drivers
• Last twice as long
• Cut twice as fast
• Double spur design scribes the hole before the chips are made, producing a cleaner hole and reducing vibration
• Patented Blue-Groove™ design for fast chip removal
• Reinforced shank for fast speeds and aggressive cut
• All bits have a 1/4 in hex shank that fits all drills and 1/4 in quick change adapters