3/8″, Pilot Point, Industrial Grade, Cobalt Drill Bit, Designed For Maximum Speed & Life In Stainless Steel & Other Hard Metals, Bit Features A Pilot Point & Split Tip Design That Starts On Contact & Eliminates Bit Walking Along For More Control, Commonly Used For Drilling Into Stainless Steel, Drilling Into Angle Iron, I-Beams & Other Similar Metals.