Keywords:
Design, Dimensions, Driving squares, Equipment safety, Erecting (construction operation), Hardness, Hexagon head screws, Hexagonal-head fasteners, Machine operated, Machine tools, Marking, Materials, Prime movers, Safety, Safety of products, Safety requirements, Screwdrivers and spanners, Screws (bolts), Socket spanners, Socket wrenches, Square sockets, Squares (instruments), Testing, Tools, Torque, Torque checks, Wrenches