Gives dimensions for range of nominal sizes from 12 mm (M12) to 36 mm (M36) inclusive and specifies mechanical properties. Full details of tests, inspection procedure and provisions for marking are also included. NOTE. It is important to ensure that these bolts are correctly used if satisfactory results are to be obtained. Recommendations giving guidance in the use of this form of fastener are given in BS 4604-1.
BS 4395-1:1969 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 4395-1:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering - General grade