Irwin 11104 Unibit4M 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit
#4M (4-22MM)
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates;Single-flute cutting edge for greater control through steps;3 faltted shank prevents slipping in drill chuck;New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
Irwin 11104 Unibit4M 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit by Irwin Tools - B0184Y8PNC
