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

Metal reinforced top handle

dry coring and chipping in any mid to upper wall and ceiling application

The kit also features the HDH181X Brute Tough™ 1/2 In

Dimensions (L x W x H): 15-7/8" x 4-1/4" x 10-3/8" (404 mm x 108 mm x 264 mm)

This case has been refined over the past 15 years

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