Sealey HSS Cobalt Drill Bit

This 8.5mm HSS Cobalt drill bit provides reliable performance for large-diameter drilling applications. The 8.5mm diameter is ideal for substantial fixings, heavy-duty mounting work, and structural fabrication in high carbon and stainless steel. The self-centring split point design ensures accurate hole placement, whilst the cobalt content maintains cutting performance under demanding conditions. Supplied as a pack of 10 with a durable storage case. Features and Benefits: • 8.5mm diameter for substantial applications • 5% cobalt for superior heat resistance • Self-centring