Manufacturer Part Number: KP64912|Thread Size|5/8-11Thread Length (Inch)|4-1/2Thread Length (mm)|Thread Length (Decimal Inch)|Thread Standard|UNCNeck Type|SquareMaterial|Alloy SteelMaterial Grade|Grade 8Finish|Zinc Trivalent ChromateThread Style|Fully ThreadedNeck Diameter (Decimal Inch)|Hardness|Standards|SAE J429Full or Partial Threading|Fully ThreadedLength Measurement Type|Length Under HeadAdditional Information|Fastener Standard|SAE J429Package Quantity|System Of Measurement|InchFinish Coating|Zinc Trivalent ChromateLength (mm)|Length (Inch)|4-1/2Product Service Code|UNSPSC Code|