As an Amazon Associate, we earn from qualifying purchases. Home » Zoro Select » Z8820 Flat Washer, Fits Bolt Size M20 ,Steel Black Oxide Finish, 10 PK Zoro Select . Z8820 Gallery Attributes Brand name, Manufacturer name, ManufacturerZoro Select CategoryId4958 DimensionUnitinch GraingerSku5RE94 Extra Product NameFlat Washer, Fits Bolt Size M20 ,Steel Black Oxide Finish, 10 PK UPCNone UnitOfMeasurePK Weight0.33 WeightUnitlbs atoms, Package Quantity10 cali_prop65_orglabel, cali_prop65_whtlabelFalse color, ColorBlack countryOfOriginUS height0.6 jsonUrlData924526ffbdad25e5923b length4 moq, multiple, tierMinQty11 MPNZ8820 qtyInStock157 qtyInStockOverride-2 SKUG0590694 tierPrice19.35 urlhttps://www.zoro.com/zoro-select-flat-washer-fits-bolt-size-m20-steel-black-oxide-finish-10-pk-z8820/i/G0590694/ width1.5 Fits Bolt Sizes, For Screw SizeM20 Washer Outside Dia, Outside Diameter35 mm Washer Inside Dia, Inside Diameter21 mm Inside Dia21mm Pack SizeSmall Pack Inside Diameter Tolerance, Outside Diameter Tolerance+/-0.010 in ItemFlat Washer Material, Material TypeSteel FinishBlack Oxide Thickness3 mm to 3.4 mm Washer StandardsN/A System of MeasurementMetric ApplicationLoad Distributing Rockwell Hardness16N80 Thickness Tolerance+0.40mm/-0.50mm Flat Washer TypeThick Flat Washer TypeStandard Distributor offers SellerSKUMOQIn stockMultiplePrices ZoroG0590694115711 @ $9.35