Miami Stainless supplies Sutton Tools Cobalt Drill Bits. Cobalt Drill Bits are precision ground from solid cobalt alloyed high speed steel for superior drilling performance. The higher cobalt alters the material characteristics by increasing the hardness and high resistance to abrasion. This type of drill is suited to drilling materials that have high toughness and tensile strength, such as cast iron, bronze, weld seams and stainless steel. So if you are looking for drill bits for stainless steel, you will find a good answer in cobalt.
Thousands of products from the highest quality stainless steel and hardware manufacturers.
Our showroom and dispatch centre will be closed from 4:00 pm AEST on Tuesday, 23rd December 2025 and reopening at 7:00 am AEST on Monday, 5th January 2026.
Shipping
To secure the dispatch of your order prior to our closing down period, we recommend placing your order within the following timeframes:
