Manufacturer Part Number: 47209|Washer Type|Duty Type|Screw Size|M18Material|Stainless SteelThread Size|Inside Diameter (mm)|18.20Inside Diameter (Decimal Inch)|Outside Diameter (mm)|29.40Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|3.50Thickness (Decimal Inch - 4 Decimals)|Hardness|Material Grade|18-8; Austenitic A2Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|Minimum Inside Diameter (mm)|18.20Maximum Inside Diameter (mm)|19.00Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|29.40Maximum Outside Diameter (Decimal Inch)|Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|DIN 127Maximum Inside Diameter (Inch)|System Of Measurement|MetricFinish Coating|Additional Information|UNSPSC Code|