Manufacturer Part Number: 47418|Washer Type|Hi-CollarDuty Type|Screw Size|M16Material|SteelThread Size|Inside Diameter (mm)|Inside Diameter (Decimal Inch)|Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|3.50Thickness (Decimal Inch - 4 Decimals)|Hardness|Material Grade|2Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|Minimum Inside Diameter (mm)|16.20Maximum Inside Diameter (mm)|17.00Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|24.40Maximum Outside Diameter (Decimal Inch)|Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|DIN 7980Maximum Inside Diameter (Inch)|System Of Measurement|MetricFinish Coating|UncoatedAdditional Information|UNSPSC Code|