Hex Head Flange Bolts ISO 1665 (DIN 6921) M12 in Bright Zinc Plated (BZP) Class 8 high tensile steel
The DIN 6721 flange bolt is a hexagon headed bolt or screw incorporating a flange, negating the need for a washer. Flange bolts are a more attractive alternative to their DIN 931 and DIN 933 hex driven counterparts. Typically used where The flange offers protection for the bolted component where the driving tool may otherwise scratch it's surface. Generally manufactured with a full thread, though occasionally some stock may include a partially threaded shank.