IRWIN® I-100 Series 49908 Power Drill Bit, Auger Drill, 1/2 in Drill, 4-1/2 in L Flute, 7-1/2 in OAL, HSS, Bright Drill Chucks 2 mmHg Vapor PressureOther Attributes:

2 mmHg Vapor PressureOther Attributes:

Micro carbide dispersed metal delivers up to 3X longer life than standard carbon blades

49 cu-in Weight

Its large target head striking area reduces mushrooming and protects hands from missed hits

IRWIN® I-100 Series 49908 Power Drill Bit, Auger Drill, 1/2 in Drill, 4-1/2 in L Flute, 7-1/2 in OAL, HSS, Bright Drill Chucks 2 mmHg Vapor PressureOther Attributes:IRWIN Power Drill Bit, I 100 Series, Auger Drill Style, 1 2 in Drill, 7 1 2 in Overall Length, Hex, Straight Shank, 7 32 in Shank Diameter, 3 in Shank Length, 1 Flutes, Spiral, Wide Flute, 4 1 2 in Flute Length, Coarse Screw Point, HSS Cutting Edge, Right Hand Cutting Direction, HSS, Finish: Bright, Applicable Materials: Hardwood, SoftwoodFeatures: Solid center design provides extra rigidity while boring Wide lands keep the bit straight as it bores