Flange Bolts Dimensional Standards DIN 6921 Drive Hex Drive Size 16 mm Fastener Length 60 mm Finish Black Oxide Flange Diameter 35 mm Flange Type Standard Head Height 14.4 mm Head Width 21 mm Manufacturer Location Globally Sourced Material Steel Material Grade/Class Class 10.9 Minimum Thread Length 38 mm Pack Size Small Pack System of Measurement Metric Tensile Strength 145 038 psi Thread Size M16-2.00 Thread Style Partially Threaded Thread Type Coarse