Sealey HSS Cobalt Drill Bit

This 8mm HSS Cobalt drill bit is essential for workshops undertaking substantial metalwork. The 8mm diameter is commonly used for M10 clearance holes, large mounting brackets, and structural fabrication in high carbon and stainless steel. The cobalt enrichment provides exceptional heat resistance, ensuring consistent performance throughout the bit's lifespan. Supplied in a pack of 10 with protective storage. Features and Benefits: • 8mm diameter for M10 clearance holes • 5% cobalt content extends durability • 135° split point for accurate starting • Pack of 10 bits for cont