Irwin 88810 5/8" Speedbor Spade bit 3pks #I-51

Irwin 88810 5/8" Speedbor Spade bit 3pks 

• 2X longer life
• OAL 6"
• Blue-Groove point and cutting edge for fast chip removal
• Aggressive cutting edges for long life and speed
• Chamfered corners for bit durability and hole quality
• Impact Performance Series