We believe that drilling hardened metal does not have to be difficult. Our aim is to supply the best drill bits for metal. At TTP HARD drills Limited we specialise in supplying cobalt drill bits and drilling lubricant paste for the drilling of harder metals and alloys. Our cobalt drill bits are sold worldwide to both companies and individuals. We offer both metric and imperial sizes. Drill bits can be bought in individual sizes or in handy sets. Our website is constantly evolving as we continue to add information helpful to those needing to drill metal.