Manufacturer Part Number: HCI30620550N-01|Thread Size|5/8-11Thread Standard|UNCLength (Inch)|5-1/2Material|SteelMaterial|Material Grade|A325Finish|UncoatedThread Style|Partially ThreadedStandards|ASTM A325Hex Size (mm)|Hex Size (Inch)|Fastener Standard|ASTM A325Length Measurement Type|Length Under HeadFull or Partial Threading|Partially ThreadedFinish Coating|Bright/UncoatedSystem Of Measurement|InchLength (mm)|Product Service Code|UNSPSC Code|