Flange Bolts Dimensional Standards DIN 6921 Drive Hex Drive Size 12 mm Fastener Length 80 mm Finish Black Oxide Flange Diameter 27 mm Flange Type Standard Head Height 11.5 mm Head Width 16 mm Manufacturer Location Globally Sourced Material Steel Material Grade/Class Class 10.9 Minimum Thread Length 30 mm Pack Size Small Pack System of Measurement Metric Tensile Strength 145 038 psi Thread Size M12-1.75 Thread Style Partially Threaded Thread Type Coarse