All bits have a precision ground point and cutting surfaces with extended spurs for faster cutting and a rust protective finish. All sizes except the 6mm have a non-slip hexagonal shank with a locking mechanism compatible with adaptors or chucks with a built-in quick-release feature.
They are also impact rated and are ideal for both mains or cordless drills.
Made to DIN 3126 quality with 1/4in hexagonal non-slip shaft.