Irwin HSS Cobalt Drill Bit for Metal

The IRW10502541 is a 13mm HSS Cobalt Drill Bit supplied in a pack of 5, representing the largest diameter in this range for heavy-duty applications in stainless steel and high alloy steels. This substantial size is ideal for large structural fixings, heavy-duty brackets, and mechanical assembly where maximum hole diameter is required. The 13mm diameter is commonly specified in construction, structural fabrication, and heavy engineering projects. With 5% cobalt content engineered throughout, this drill bit delivers outstanding heat and abrasion resistance, absolutely essenti