IRWIN SPEEDBOR Blue Groove Spade Bit, 5/16"

IRWIN SPEEDBOR Blue Groove Spade Bit, 5/16"

• Blue-Groove drill bit point and cutting edge for fast chip removal
• Wood drill bit uses double-cutting spurs that scribe the outside of the hole, reducing breakout
• Flat drill bit features a large shank for added durability
• Grooved hex shank helps prevent slipping in the drill chuck or bit extension
• Fits most standard quick-change chucks
• 5/6" diameter and 6" long
• Micro-groove point and cutting edges with extended spurs for faster, cleaner boring action; bore 2 times faster, last 3 times longer
• Forged in one piece from Irwin's own special grade tool steel
• Heat-treated full length for extra overall strength
• For 1/4" and larger electric drills

The IRWIN SPEEDBOR Blue Groove Spade Bit features a blue-groove point and cutting edge for ejecting chips four times faster than standard spade bits. These spade bits have 10% larger and 40% thicker grooved hex shanks* for added durability. Fits all standard quick change chucks.