DIN 6921

DIN 6921, HEXAGON FLANGE BOLTS, Technical Specification of hex Head Flange Bolts as per DIN 6921.Metric DIN 6921 Hexagon Flange Bolts are machine threaded bolts that have a circular washer like flange under the head that increases the bearing surface to distribute the load when the bolt is fastened to the substrate. DIN 6921 Hexagon Flange Bolts are available with and without serrations.