Drill bit sizes

You can see drill bit sizes and dimensions of all TTP HARD cobalt bits below.

First chart is for Imperial drill bits and second is for metric sizes.

Icon for Buy imperial TTP HARD metal drill bits  Icon for Buy metric TTP HARD metal drill bits                                   icon for customer reviews of TTP HARD metal cobalt drill bits  Drilling metal video icon  icon certificate of hardness for TTP HARD drills