General description The Irwin HSS Pro Drill Bits are crafted from high-quality HSS steel, featuring a polished silver surface finish. These drill bits are designed for fast drilling and perfect finishing, equipped with precision ground cutting edges and a ground flute for maximum accuracy and efficient chip removal. The universal 118º point shape allows for drilling a wide variety of materials. This product comes in a bulk pack of 10. Technical specifications Drill bit diameter: 5.5mm Total length: 93mm Working length: 57mm Pack quantity: 10 Other information