Manufacturer Part Number: 2179|Thread Size (Inch)|5/16Thread Size (mm)|M8Material|SteelMaterial Grade|Grade 2Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|0.5340Finish|Zinc-PlatedHardness|Standards|Minimum Inside Diameter (Decimal Inch)|0.3360Minimum Outside Diameter (Decimal Inch)|0.5260Fastener Standard|ISO 14001; ISO 9001Finish Coating|Zinc FlakeMaximum Inside Diameter (Inch)|0.3440System Of Measurement|InchThickness (Decimal Inch - 4 Decimals)|Maximum Inside Diameter (mm)|Product Service Code|UNSPSC Code|