BS 4395-2:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering. Higher grade bolts and nuts and general grade washers
Higher grade friction grip bolts (10.9) and nuts (12) and general grade washers. Dimensions in the nominal size range 16 mm to 33 mm inclusive and mechanical properties are specified with details of tests, inspection procedure and marking.
BS 4395-2:1969 history
2009BS EN 14399-10:2009 High-strength structural bolting assemblies for preloading - Part 10:System HRC - Bolt and nut assemblies with calibrated preload
1969BS 4395-2:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering. Higher grade bolts and nuts and general grade washers