251. Specification for dimensions of aerospace fluid system port connection, seal and fitting end. (15th August 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
252. Countersunk flat head screws. Penetration depth of cross recesses Part 2, (15th January 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
253. Tapping screw threads. (15th January 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
254. Slotted raised countersunk (oval) head tapping screws (common head style). (15th January 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
255. Hexagon socket screws and wrench keys: metric series. Specification for hexagon socket set screws with cup point Part 5, (15th May 1994) 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) ↗
256. Dental handpieces. Hose connectors. (15th October 1994) 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) ↗
257. Countersunk raised head screws (common head style) with type H or type Z cross recess. Product grade A. (15th January 1995) 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) ↗
258. Countersunk flat head screws (common head style) with type H or type Z cross recess. Product grade A. Steel of property class 4.8 Part 1, (15th December 1994) 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) ↗
259. Hexagon socket screws and wrench keys: metric series. Specification for hexagon socket set screws with flat point Part 2, (15th May 1994) 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) ↗
260. Specification for bolts, screws and studs with a pre-applied micro-encapsulated chemical adhesive feature incorporated into the thread. (15th June 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗