IRWIN 10312ZR - #12 3/8 in. Unibit Step Drill M12 Metal reinforced top handle

Metal reinforced top handle

Tru-Zero® magnetic hook measures accurate every time

This adaptable add-on will conveniently change your ATTACHMENT CAPABLE power head into an edger

15-tine rake

IRWIN 10312ZR - #12 3/8 in. Unibit Step Drill M12 Metal reinforced top handleThe IRWIN 10312ZR Step Drill Bit is ideal for drilling holes in thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates. Featuring a patented single flute cutting edge, it ensures perfectly round holes and provides greater control through the steps. Its 3 nut shank prevents slippage in the drill chuck, while the SpeedPoint tip improves penetration and prevents walking. Made of high speed steel, this bit is strong and