Manufacturer Part Number: KP66158|Washer Type|Duty Type|Screw Size|#12Material|Alloy SteelThread Size|Inside Diameter (mm)|Inside Diameter (Decimal Inch)|Outside Diameter (mm)|Outside Diameter (Decimal Inch - 4 Decimals)|Thickness (mm)|Thickness (Decimal Inch - 4 Decimals)|0.0560Hardness|Material Grade|AISI 4037Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|0.2200Minimum Inside Diameter (mm)|0.22Maximum Inside Diameter (mm)|Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|0.37Maximum Outside Diameter (Decimal Inch)|0.3770Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|Maximum Inside Diameter (Inch)|0.2270System Of Measurement|InchFinish Coating|Zinc Yellow DichromateAdditional Information|UNSPSC Code|