Flange Nut Material Grade/Class 316 H5 Material Stainless Steel Finish Plain Thread Size M6-1 Hex Width 12 45/64 mm Hex Height 5 21/32 mm Flange Diameter 15 29/32 mm System of Measurement Metric Dimensional Standards ISO 9001 2015 Flange Thickness 2.29 mm Hex Type Flange Nut Material Quality Standards ASTM A276 Minimum Yield Strength 30 000 psi Overall Height 7 15/16 mm Pack Size Bulk Pack