din-561-bolts参考标准资料

February 1995Hexagon set screws with small hexagon西and full dog point5611CS2t.060.10Supersedes February 1985 editionDescriptors:Fasteners,screws,set screws.Sechskantschrauben mit Zapfen und kleinem SechskantIn keeping with current practice in standards published by the International Organization for Standardization(ISO),a commahas been used throughout as the decimal marker.Dimensions in mm1 Scope and field of applicationThis standard specifies dimensions and technical delivery conditions for coarse and fine pitch thread M6 to M56 hexagonset screws with small hexagon and full dog point,assigned to product grade A.These screws are only to be used as forcingscrews(i.e.for adjusting and locating purposes when there is considerable resistance to motion).NOTE:For sizes M12 and M16 screws,this standard specifies widths across flats which are in current use,i.e.16 mmand 18 mm,in accordance with ISO 272.Specifications for obsolete widths across flats (17 mm and 19 mm)areprovided in Appendix A.Where screws are to comply with specifications other than those given in this standard (e.g.regarding nominal length orproperty class).these shall be selected in accordance with the relevant standards.Continued on pages 2 to 5.64