BS EN 14399-5:2015 pdf free
BS EN 14399-5:2015 pdf free.High-strength structural bolting assemblies for preloading Part 5: Plain washers.
BS EN 14399-5 specifies, together with EN 14399-1 and EN 14399-2, hardened and tempered plain washers intended for bolting assemblies with large series hexagon high-strength structural bolts and nuts with threads from M12 to M36 inclusive. Washers according to this standard can be applied under the nut only.
Washers according to this standard are not intended to be used in direct contact with oversized or slotted holes.
NOTE Attention is drawn to the importance of ensunng that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to EN 1090-2 is made.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 14399-1, High-strength structural bolting assemblies for preloading – Part 1: General requirements
EN 14399-2, High-strength structural bolting assemblies for preloading – Part 2: Suitability for preloading
EN ISO 3269, Fasteners – Acceptance inspection (ISO 3269)
EN ISO 4759-3, Tolerances for fasteners – Part 3: Plain washers for bolts, screws and nuts – Products grades A and C (ISO 4 759-3)
EN ISO 10684, Fasteners – Hot dip galvanized coatings (ISO 10684)
3 Dimensions
See Figure 1 and Table 2.BS EN 14399-5 pdf download.
