Keywords:
Design, Designations, Dimensions, Electrical engineering, Erecting (construction operation), Fasteners, Fixtures, Hexagon drive ends, Hexagon socket screws, Hexagon sockets, Hexagonal drives, Hexagonal-head fasteners, Joining elements, Machine operated, Machine tools, Marking, Materials, Nominal sizes, Prime movers, Screw driver bits, Screw driver blade, Screw drivers, Screwdrivers, Screwdrivers and spanners, Shape, Specification (approval), Tolerances (measurement), Tools