IRWIN 11104 11104 STEP DRL #4M 4-22MM 10 SZ

The IRWIN Unibit4M 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit is engineered for precision and efficiency in various drilling applications. Featuring a 3 flatted shank, it ensures a secure grip in the drill chuck, preventing any slipping during use. This step drill bit is equipped with a New SpeedPoint tip that allows for faster penetration, reducing the risk of walking, while the single-flute cutting edge provides greater control as you navigate through the steps. Designed to excel in thin materials such as stainless steel, copper, brass, aluminum, plastic, and laminates, this tool is also available with a titanium nitride coating, which enhances its durability and longevity.