Manufacturer Part Number: C39031|Thread Size|3/8-16Thread Length (Inch)|1Thread Length (mm)|Thread Length (Decimal Inch)|1in; 1.0inThread Standard|UNCLength (Inch)|2-1/2Drive Type|HexFlange Type|SmoothFlange Diameter (Decimal Inch)|0.8125Flange Diameter (mm)|Flange Diameter (Inch)|13/16Material|Alloy SteelMaterial Grade|Grade 8Thread Style|Partially ThreadedDrive Size (mm)|Drive Size|Standards|SAE J429Length Measurement Type|Length Under HeadFastener Standard|SAE J429Full or Partial Threading|Partially ThreadedFinish Coating|UncoatedSystem Of Measurement|InchLength (mm)|Product Service Code|UNSPSC Code|