Sealey HSS Cobalt Drill Bit

This 4.5mm HSS Cobalt drill bit offers reliable performance for medium to heavy-duty metalwork. The 4.5mm diameter is ideal for larger fixings, mounting applications, and general steel fabrication work. The cobalt content provides exceptional heat hardness, making it particularly effective when drilling stainless steel and high carbon steel. Supplied as a pack of 10 with protective storage. Features and Benefits: • 4.5mm diameter for larger fixing applications • 5% cobalt increases heat resistance • Self-centring 135° split point • Pack of 10 for workshop convenience • Effi