IRWIN 11103 11103 STEP DRL #3M 6-18MM 7 SZ

The IRWIN Unibit3M Step Drill Bit is designed for precision and efficiency, making it an essential tool for drilling clean holes in a variety of thin materials, including stainless steel, copper, brass, aluminum, plastic, and laminates. Featuring a cutting-edge SpeedPoint tip, this bit penetrates faster and reduces the risk of walking, allowing for enhanced accuracy during use. The single-flute cutting edge provides superior control as you transition through the different hole sizes, while the unique three-flatted shank ensures a secure grip in the drill chuck, preventing slipping. Additionally, an option with titanium nitride coating is available, extending the life of the bit and enhancing its performance.