General description The Irwin Turbomax HSS Drill Bit is designed for versatility and efficiency, making it suitable for use with portable and cordless drills. It excels in drilling metal, sheet metal, wood, plastics, and is capable of drilling stainless steel when used with a coolant. Technical specifications Size: 13.0 mm (diameter) x 151 mm (overall length) Working length: 101 mm Usage Ideal for drilling metal and sheet metal Effective for all types of wood and plastics Requires coolant when drilling stainless steel