IRWIN 10221 STEP DRL #21 13/16-1-3/8IN 10 SZ

Engineered for precision and versatility, the IRWIN Unibit step-drill bit boasts a range of features designed to enhance your drilling experience. Featuring a patented single-flute cutting edge, this bit ensures a true round hole every time, making it ideal for working with various thin materials, including stainless steel, aluminum, and plastic. The innovative design also includes a three-flatted shank to prevent slipping in the drill chuck, ensuring greater control while you work. Compatible with a pilot hole, this bit is also available with a titanium nitride coating, adding to its longevity and performance reliability.