WHAT DOES TYPES OF SCREW HEADS FOR SCREWDRIVERS MEAN?

Whilst ball screws have higher load ratings, greater positional accuracy, and higher efficiencies than in the same way sized lead screws, they’re much from great. Ball screws are much more expensive to manufacture than lead screws, owing mainly for the precision machining wanted for the two screw and nut. They also often not be self-locking it do