Manufacturer Part Number: -36745-1|Washer Type|Hi-CollarDuty Type|Screw Size|1 inMaterial|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)|0.2500Hardness|Material Grade|Military Specification|Does Not Meet Military SpecificationsStandards|Minimum Inside Diameter (Decimal Inch)|1.0170Minimum Inside Diameter (mm)|1.01Maximum Inside Diameter (mm)|Minimum Outside Diameter (Decimal Inch)|Minimum Outside Diameter (mm)|Maximum Outside Diameter (mm)|1.48Maximum Outside Diameter (Decimal Inch)|1.4830Maximum Thickness (Decimal Inch)|Maximum Thickness (mm)|Fastener Standard|Maximum Inside Diameter (Inch)|1.0420System Of Measurement|InchFinish Coating|UncoatedAdditional Information|UNSPSC Code|