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UDC621.882.27December 1986Masonry and foundation bolts瓜529SteinschraubenSupersedes December 1972 edition.In keeping with current practice in standards published by the International Organization for Standardization (ISO),a comma has been used throughout as the decimal marker.Dimensions in mm1Scope and field of applicationThis standard specifies the characteristics of M 8 to M 72 X 6 masonry and foundation bolts.They are designed foruse in masonry,concrete foundations and the like.The shape of the shank is optional;compliance is only required inthe case of the maximum dimensions specified (space requirement dimensions).Some of the customary types ofshank have been given as examples,together with the relevant dimensions and symbols.The resistance to strippinghas not been specified since it depends largely on the material into which the bolts are to be embedded.The proof loads(loadbearing capacity)associated with property class 3.6 bolts (up to and including M 36)as specified in ISO 898Part 1 shall apply to bolts prior to assembly.2 DimensionsSee clause 4 for shank types.Space required for remainingportion of shankDIN 78-K or DIN 78-L thread ends,at the manufacturer's discretion8u(incomplete thread):2 P maximumx1 as specified inDIN 76 Part 1.The diameter of the unthreaded shank portion may be either equal to the thread diameter (normal shank)orapproximately equal to the pitch diameter (reduced shank),at the manufacturer's discretion.Continued on pages 2 to 559
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