Descriptors | Socket wrenches, Whitworth screw threads, External-thread fasteners, Mechanical properties of materials, Length, British Association screw threads, Alloy steels, Set screws, Diameter, Hexagonal shape, Hand tools, Screws (bolts), Unified screw threads, BSF screw threads, Imperial system, Threaded fasteners, Socket-head fasteners, Size, Countersunk fasteners, Wrenches, Dimensions, G-series screw threads, Cap-head fasteners |