Drill Bit - IRWIN High Speed Steel Fractional Step Drill Bit - 1/8"-1/2", 10231 Blended Specialty Chemicals Measurement scale on head allows

Measurement scale on head allows for faster adjustment to the correct fastener size

an ultra-sharp edge and virtually unbreakable design to maximize your performance

Noise Reduction Rating (NRR)*: 26 dB

With its automatic OFF functionality

Drill Bit - IRWIN High Speed Steel Fractional Step Drill Bit - 1/8"-1/2", 10231 Blended Specialty Chemicals Measurement scale on head allowsItem #: 10231 The IRWIN UNIBIT HSS Fractional Self Starting Step Drill Bit is made of high speed steel. Hole sizes are permanently laser etched on the inside of the flute and will not wear away for easy identification throughout the life of the bit. The bit features a quick change hex shank that secures easily in the drill chuck. New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin