Specification DIN 6921 - Hexagon flange bolts metric Current norm: DIN EN 1665 Legend: d2 - the inner diameter of the ring b - length of the thread (at least) l - length of bolt d - the nominal ...View More
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DIN 6921 - Hexagon flange bolts metric Zinc/Black/HDG/Plian CLass 6.8 8.8 10.9