Flange Bolts Dimensional Standards DIN 6921 Drive Hex Drive Size 20 mm Fastener Length 100 mm Finish Zinc Yellow Flange Diameter 43 mm Flange Type Standard Head Height 17.1 mm Head Width 27 mm Manufacturer Location Globally Sourced Material Steel Material Grade/Class Class 8.8 Minimum Thread Length 46 mm Pack Size Small Pack System of Measurement Metric Tensile Strength 116 030 psi Thread Size M20-2.50 Thread Style Partially Threaded Thread Type Coarse