Irwin HSS Pro Drill Bits

The Irwin HSS Pro Drill Bit in 10mm diameter is supplied in a bulk pack of 5, making it a cost-effective choice for trade professionals who frequently work with this popular larger size. The 10mm diameter is widely used across construction, metalworking, and fabrication applications, particularly for large fixings, through-bolts, and general heavy-duty drilling operations. Featuring high-quality HSS steel construction, this drill bit is engineered to withstand demanding professional applications. The precision ground cutting edges enable fast drilling whilst ensuring perfect finishing, and the ground flute design provides maximum accuracy combined with fast chip removal for efficient, clean drilling through steel, non-ferrous metals, cast iron, and plastics.