Anchor screws may seem easy with the right tool, but getting them tight while not damaging your wall requires some finesse.

Both ball screw and planetary roller screw technologies lend accuracy and precision to electromechanical screw actuators, but each design has unique performance attributes, costs, maintenance ...

It's easy to visually distinguish between nails and screws, but what makes each one better for certain projects? It's about shear force vs. tensile strength.