Manufacturer Part Number: A410447|Washer Type|Duty Type|Screw Size|M12Material|Stainless SteelThread Size|Inside Diameter (mm)|12.20Inside Diameter (Decimal Inch)|Outside Diameter (mm)|21.10Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|2.50Thickness (Decimal Inch - 4 Decimals)|Hardness|Material Grade|316; Austenitic A4Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|Minimum Inside Diameter (mm)|12.20Maximum Inside Diameter (mm)|12.70Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|21.10Maximum Outside Diameter (Decimal Inch)|Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|2.50Fastener Standard|DIN 127BMaximum Inside Diameter (Inch)|System Of Measurement|MetricFinish Coating|UncoatedAdditional Information|UNSPSC Code|