Irwin Speedbor Drill Bit Set 8 Piece

• Blue-groove point and cutting edge for faster chip removal and 4X faster than standard spade bits
• Double cutting spurs scribe the outside of the hole reducing breakout
• 10% larger shank for added durability
• Grooved hex shank prevents slipping in drill chuck or bit extension
• Includes an IRWIN pro set case made of durable molded ABS resin, so it can hold up to anything the jobsite throws at it
• Case includes a full-length metal hinge pin for maximum durability and long life and bit identification is simple with easy-to-read size markings

Speedbor, 8 piece, pro spade drill bit set, includes 6 inch length bits with 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1 inch, 1-1/8 inch & 1-1/2 inch bits, all bits have a 1/4 inch hex shank that fits all drills & 1/4 inch quick change adapters, patented micro groove cutting edge & spurs produce a smoother hole finish, double spur design scribes the hole before the chips are made, producing a cleaner hole & reducing vibration, rugged storage case with rubber over mold for added impact resistance & sliding latch design provides added security.