Irwin 45308ZR Augr Bit 1/2 Inch X 8 Inch Mach Bulk (6 Pack)

Irwin 45308ZR Features:

• Round shank is designed for use in power drills, drill presses, and boring machines with 1/2" or larger chuck
• Full-length heat treated bit guards against bending in heavy-duty applications and strengthens the twist where the greatest strain occurs
• Heavy stem increases strength and rigidity while reducing vibration. Shank length is 2"
• Medium-fast screw point ideal for general woodboring applications