1. Specification for hand-operated square drive socket wrenches and accessories. (31st August 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for square-drive sockets, driving squares and accessories for power-driven socket wrenches. (15th November 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Assembly tools for screws and nuts. Hexagon socket screw keys. (15th January 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗