Title: Listeskrue 3,5x45.pdf
In connections with screws with countersunk head according to Annexes A1, A5, A6, A7, A11, A13 and A17, the head must be flush with the surface of the connected structural member. A deeper countersink is not allowed.Minimum distances from loaded or unloaded ends must be 15∙d for screws in non-predrilled holes with outer thread diameter d > 8 mm and timber thickness t < 5∙d.Minimum distances from the unloaded edge perpendicular to the grain may be reduced to 3∙d also for timber thickness t < 5∙d, if the spacing parallel to the grain and the end distance is at least 25∙d.Screws from carbon steel and stainless steel with countersunk head according to Annex A1, A2, A5, A6, A7, A11, A13, A14 and A17 may be used together with washers according to Annex A19. Washers according to EN ISO 7094 may be used together with washers according to Annex A19.Screws according to Annex A3, A4, A8, A9, A10, A12 A15, A16 and A18 may be used together with washers according to EN ISO 7094.