VALUE PACKAGING AND EASY TO USE - This Stainless Flange Nuts package contains 100Pcs , They are ideal for use at home, in the office or at work. Product Size - Hole Diameter: M6-1mm ; Nuts Diameter: 0.393 ; Nuts height: 0.263 ; Flange Diameter: 0.519 ; Hex Drive Size: 10mm . Please check specfication by picture 2 RUGGED AND DURABLE - SG TZH Flange Nuts made of high-quality 18-8(304)Stainless Steel，which has higher corrosion resistance and anti-rust effect than ordinary nuts, longer service life, not easy to damage, more solid. Serrations - Serrations help grip the material surface for easy installation and provide mild vibration resistance. INTIMATE SERVICE - SG TZH focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible. UPC 753252183013 ASIN B0C6M6QM27 Brand SG TZH Color Black Set Name Stainless Steel Black Oxide Flange Hex Nut Set (100 Piece) Size Name M6 Metal Type Stainless Steel Unit Count 100 Count Drive Style External Hex Part Number Metric-Flange Nut Thread Size M6-1 Thread Type Iso Metric Finish Types Polished Grade Rating industrial Manufacturer SG TZH Thread Class Class 2A Thread Style Metric, External, Right Hand Fastener Type Flange Hex Item Diameter 6 millimeters Material Type Stainless Steel Exterior Finish Black Oxide Number Of Items 100 Thread Coverage Fully Threaded Number of Pieces 100 Outside Diameter 0.39 inches Screw Head Style Hex Inside Thread Size M6 Compatible Groove Diameter 6 millimeters