Manufacturer Part Number: C50000421|Thread Size|5/16-18Thread Length (Inch)|1Thread Length (mm)|Thread Length (Decimal Inch)|1in; 1.0inThread Standard|UNCLength (Inch)|1Drive Type|HexFlange Type|SmoothFlange Diameter (Decimal Inch)|0.6875Flange Diameter (mm)|Flange Diameter (Inch)|11/16Material|Alloy SteelMaterial Grade|Grade 8Thread Style|Fully ThreadedDrive Size (mm)|Drive Size|Standards|SAE J429Length Measurement Type|Length Under HeadFastener Standard|SAE J429Full or Partial Threading|Fully ThreadedFinish Coating|Zinc-PlatedSystem Of Measurement|InchLength (mm)|Product Service Code|UNSPSC Code|