Manufacturer Part Number: 36405|System Of Measurement|InchThread Size (Inch)|1/2-20Thread Size (mm)|Length Under Head (Inch)|1-1/4Length Under Head (mm)|Material|Alloy SteelMaterial Grade|9Finish Coating|Clear Zinc ChromateThread Standard|Full or Partial Threading|Fully ThreadedLength (mm)|Length (Inch)|1-1/4Head Height (Inch)|Head Height (mm)|Head Height (Decimal Inch)|Standards|Length Measurement Type|Hex Key Size (Decimal Inch)|Hex Key Size (mm)|Hex Key Size (Inch)|Additional Information|Product Service Code|UNSPSC Code|31161501