SANS 1700-7-12-2003 紧固件.第7部分:外传动六角螺栓和螺钉.第12节:米制细牙螺纹六角带法兰螺栓.小号系列.A级品
Fasteners Part 7: External drive hexagon bolts and screws Section 12: Hexagon bolts with flange with metric fine pitch thread - Small series - Product grade A
Specifies the characteristics of hexagon bolts with flange with metric fine pitch thread, small series, with product grade A, with nominal thread diameters 8 mm up to and including 16 mm and property classes 8.8, 9.8, 10.9, 12.9 and A2-70.