Flange Bolts Dimensional Standards DIN 6921 Drive Hex Drive Size 8 mm Fastener Length 40 mm Finish Zinc Yellow Flange Diameter 18 mm Flange Type Standard Head Height 8.1 mm Head Width 13 mm Manufacturer Location Globally Sourced Material Steel Material Grade/Class Class 8.8 Minimum Thread Length 22 mm Pack Size Small Pack System of Measurement Metric Tensile Strength 116 030 psi Thread Size M8-1.25 Thread Style Partially Threaded Thread Type Coarse Thread Direction Right Hand