Hex Flange bolt DIN6921

DIN 6921 serrated hex flange bolt combines bolt and washer as one piece, simplifying installation. Available in carbon steel and stainless steel, grades 4.8/8.8/10.9. Surface treatments include zinc plated and trivalent chromate for superior corrosion resistance. Bester Metal Products offers standard and customized metric fasteners for machinery, automotive and construction industries.