ISO 15071:2011 specifies the characteristics of hexagon bolts with flange, small series, of product grade A, with threads from M5 up to and including M16, and property classes 8.8, 9.8, 10.9 and A2‑70.
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Industrial Fasteners Institute
IFI represents North American fastener manufacturers to their suppliers, customers, the government, and the public at large to advance the competitiveness, products, and innovative technology of the IFI Member Companies in a global marketplace.
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