Irwin Auger Drill Bit - 7 1/2-in x 1/2-in - High Carbon Steel - Hex Shank

Description

This Irwin drill bit features a central core for unyielding rigidity while driving. Drill through hard or soft woods fast with this heat-treated, single-spur cutting bit. The auger drill bit has a 1/2-in dia, high-speed steel spiral flute with a 7/32-in hex shank. Solid center design provides extra rigidity while driving Wide lands keep bit straight as it bores Flutes are ground behind the lands to funnel chips to the inside of the bit and away from the outside diameter, producing a faster, cleaner cut Chips to bit inside for cleaner/faster cut Single spur cutting edges scribes hole Full-length heat-treated bit guards against bending in heavy-duty applications, and strengthens the twist where the greatest strain occurs Full length heated treated bit