Manufacturer Part Number: 44640|System Of Measurement|MetricThread Size (Inch)|Thread Size (mm)|M20 x 2.50Length Under Head (Inch)|Length Under Head (mm)|90.00Material|SteelMaterial Grade|Grade 10.9Finish Coating|Zinc-PlatedThread Standard|MetricFull or Partial Threading|Partially ThreadedLength (mm)|90.00Length (Inch)|Head Height (Inch)|Head Height (mm)|Head Height (Decimal Inch)|Standards|DIN 931Length Measurement Type|Length Under HeadHex Key Size (Decimal Inch)|Hex Key Size (mm)|30.00Hex Key Size (Inch)|Additional Information|Product Service Code|UNSPSC Code|