Model Number: M5-M80-#2758 Key Specifications/Special Features: Name: Hex nutSize: M5-M80 or non-standard as request & designThickness: 1.3mm-3.8mm or non-standard as request & designAcross flat: 3.2mm-75mm or non-standard as request & designSurface: Plain, black anodized, zinc-plated, HDG, passivated, etcMaterial: Carbon steel C35, C45, Q235Grade: 4, 6, 8, 10, 12Standard: GB, DIN, ISO, ANSI/ASTM, B7, BS, BSW, JIS etcNon-standards: OEM is available, according to drawing or samplesSamples: Samples are free.Package: Standard export packing or according to customers' requirementWe can also supply special products, if you are looking for specific ones, please don’t hesitate to contact us, we will quote and produce according to your drawing or specification