Product Details
Cobalt drills are specifically engineered to cut through extremely hard metals, including stainless steel, featuring Century 135 degree quick cut points that are self-centering and allow for faster penetration with reduced pressure, ensuring they will not walk or wander at the starting surface. They are extremely heat resistant and must be used in power units with a maximum RPM speed of 1,500 for optimal efficiency. The drills conform to Aerospace NAS 907-J specifications, highlighting their quality and reliability in demanding applications.








