Manufacturer Part Number: MP42453|Washer Type|Duty Type|Screw Size|M7Material|Spring SteelThread Size|Inside Diameter (mm)|7.10Inside Diameter (Decimal Inch)|Outside Diameter (mm)|12.80Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|1.70Thickness (Decimal Inch - 4 Decimals)|Hardness|44-51 HRCMaterial Grade|8Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|Minimum Inside Diameter (mm)|7.10Maximum Inside Diameter (mm)|8.50Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|14.80Maximum Outside Diameter (Decimal Inch)|Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|1.70Fastener Standard|DIN 127Maximum Inside Diameter (Inch)|System Of Measurement|MetricFinish Coating|ZincAdditional Information|UNSPSC Code|