Drill Bit – IRWIN High Speed Steel Fractional Step Drill Bit – 1/8″-1/2″, 10231

Description

Item #: 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 materials such as stainless steel, copper, brass, aluminum, plastic and laminates